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building material

Our product range includes a wide range of china clay filler grade powder, black iron oxide powder, plaster of paris powder calcium sulphate, high purity calcined alumina powder, calcium carbonate natural and microfine whiting chalk powder.
China Clay Filler Grade Powder
  • China Clay Filler Grade Powder
  • China Clay Filler Grade Powder
  • China Clay Filler Grade Powder
  • China Clay Filler Grade Powder
  • China Clay Filler Grade Powder
  • China Clay Filler Grade Powder
  • China Clay Filler Grade Powder
  • China Clay Filler Grade Powder

China Clay Filler Grade Powder

Product Price: Rs 10.5 / KgGet Best Price

Minimum Order Quantity: 100 Kg

Product Brochure

Product Details:
ColorWhite
StateSolid
Usage/ApplicationINDUSTRIAL APPLICATION
BrandAstrra Chemicals
FormPowder
Packaging Size50 kg
Packaging TypeHDPE BAGS
Specific gravity2.16-2.68
LusterPearly to dull earthy
Known for manufacturing, supplying, wholesaling and exporting a wide range of optimum quality Industrial Chemical, Astrra Chemicals, based in Chennai, was established in the year 1992. Offered chemical range is inclusive of Construction Chemicals, Antioxidants Chemicals and Aromatic Chemicals. Available with us at cost-effective prices, these chemicals are extremely appreciated for their compositional accuracy and high effectiveness. In addition to this, our company is engaged in manufacturing, wholesaling and exporting best quality FRP Products - Raw Materials, De-ionized Water, Industrial Solvents Essential Oils Industrial Dyes and Industrial Pigments. Our offered products are extensively used in various industrial applications and are highly demanded by the customers.

With the aid of our team of highly dedicated professionals, we have been able to meet the bulk order requirements of production within the stipulated time frame. Our professionals, who hold expertise in their area of operations, are trained on a regular basis through seminars and workshops in order to enhance and polish their technical as well as professionals skills. Highly motivated to attain maximum customer satisfaction, our company strictly follows customer centric approach and transparent business policies, since its inception. We export our products all over the world.
Get Best QuoteRequest A Callback
Black Iron Oxide Powder
  • Black Iron Oxide Powder
  • Black Iron Oxide Powder
  • Black Iron Oxide Powder
  • Black Iron Oxide Powder
  • Black Iron Oxide Powder
  • Black Iron Oxide Powder
  • Black Iron Oxide Powder
  • Black Iron Oxide Powder
  • Black Iron Oxide Powder
  • Black Iron Oxide Powder

Black Iron Oxide Powder

Product Price: Rs 34 / KilogramGet Best Price

Minimum Order Quantity: 50 Kilogram

Product Brochure

Product Details:
BrandAstrra Chemicals
Chemical FormulaFe2O3
Density5.17 g/cm3
ColorBlack
Molar mass231.533 g/mol
ApplicationIndustrial
Black Iron Oxide ( Natural )

We are the leading manufactures, exporters,technical developers and suppliers of Black Iron Oxide ( Naturals ) in Chennai, Tamil Nadu, 
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Plaster Of Paris Powder Calcium Sulphate
  • Plaster Of Paris Powder Calcium Sulphate
  • Plaster Of Paris Powder Calcium Sulphate
  • Plaster Of Paris Powder Calcium Sulphate

Plaster Of Paris Powder Calcium Sulphate

Product Price: Rs 33 / KgGet Best Price

Minimum Order Quantity: 500 Kg

Product Brochure

Product Details:
BrandAstrra Chemicals
Usage/ApplicationConstruction
Packaging Size50 Kgs
Packaging TypeBags
Grade StandardAPP
Construction Material TypeFiller / Plaster
Acid InsolublematterNMT - 5 Mg.
Loss On IgnitionBetween 4.5 To 8%
Plaster of Paris

We are the leading manufactures, exporters,technical developers and suppliers of Plaster of Paris in Chennai, Tamil Nadu, 

Product Details:
DescriptionWhite hygroscopic powder odorless, tasteless.
SolubilitySlightly soluble in water, practically in soluble in alcohol.
Identification A) Gives reaction of calcium
Ph Between 6.5 and 9.0
Setting Properties 4 to 6 min (240 sec to 360 sec)


Additional Information:

  • Production Capacity: 10000 Kgs
  • Delivery Time: 7 to 10 Days
  • Packaging Details: Brand New HDPE Bags
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High Purity Calcined Alumina Powder
  • High Purity Calcined Alumina Powder
  • High Purity Calcined Alumina Powder
  • High Purity Calcined Alumina Powder
  • High Purity Calcined Alumina Powder
  • High Purity Calcined Alumina Powder
  • High Purity Calcined Alumina Powder
  • High Purity Calcined Alumina Powder

High Purity Calcined Alumina Powder

Product Price: Rs 48 / KgGet Best Price

Minimum Order Quantity: 50 Kg

Product Brochure

Product Details:
Packaging Size50 KG BAG
StatePowdered
Packaging TypeBag
Purity99%
Country of OriginMade in India
Calcined Alumina Powder

We are the leading manufactures, exporters,technical developers and suppliers of Calcined Alumina Powder in Chennai, Tamil Nadu. 

Additional Information:

  • Item Code: AC063B
  • Production Capacity: 10000 TONS
  • Delivery Time: WITHIN 3 DAYS
  • Packaging Details: BRAND NEW HDPE BAGS
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Calcium Carbonate Natural
  • Calcium Carbonate Natural
  • Calcium Carbonate Natural
  • Calcium Carbonate Natural
  • Calcium Carbonate Natural
  • Calcium Carbonate Natural

Calcium Carbonate Natural

Product Price: Rs 20.00 / KgGet Best Price

Minimum Order Quantity: 50 Kg

Product Brochure

Product Details:
Purity98% & Above
FormPowder
Packaging Size50 Kgs
Packaging TypeBrand New HDPE Bags
ApplicationFood
BrandAstrra Chemicals
Physical FormPowder
Chemical FormulaCaCO3
Density2.71 g/cm3
Melting Point825 Deg C
Calcium Carbonate Natural Pure Light

We are the leading manufactures, exporters,technical developers and suppliers of Calcium Carbonate Natural Pure Light in Chennai, Tamil Nadu, 

Physical Analysis:
Calcium OxideCaCO3≥ 98.00%
Magnesium OxideMgO≤ 00.68%
Ferric OxideFe2O3≤ 00.04%
Aluminium OxideAl2O3≤ 00.04%
SilicaSiO2≤ 00.70%
Sodium OxideNa2O≤ 00.16%

Chemical Analysis:
Brightness≥ 97%
Whitness≥ 98%
Moisture≤ 0.2%
Proportion1.3g / cm3
Oil Apsorption≥ 23G/100g CaCO3
Loss O Fignition≤ 43.08%
D50≤ 4.0µm
D9720± 2 µm


Additional Information:

  • Production Capacity: 10000 Kgs
  • Delivery Time: 7 to 10 Days
  • Packaging Details: Brand New HDPE Bags
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Microfine Whiting Chalk Powder
  • Microfine Whiting Chalk Powder
  • Microfine Whiting Chalk Powder
  • Microfine Whiting Chalk Powder
  • Microfine Whiting Chalk Powder
  • Microfine Whiting Chalk Powder

Microfine Whiting Chalk Powder

Product Price: Rs 18.5 / KilogramGet Best Price

Minimum Order Quantity: 50 Kilogram

Product Brochure

Product Details:
GradeMicronised
Usage/ApplicationIndustrial
Packaging Size50 Kgs Bag
Packaging TypeHDPE Bag
StatePowdered
Ph Value10-12
BrandAstrra Chemicals
Micronised Dolomite

We are the leading manufactures, exporters,technical developers and suppliers of Micronised Dolomite in Chennai, Tamil Nadu, India.


Product Details:
  • Particulars
  • Results
  • Appearance
  • Very White Smooth Powder

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Piling Grade Bentonite Powder In Chennai
  • Piling Grade Bentonite Powder In Chennai
  • Piling Grade Bentonite Powder In Chennai
  • Piling Grade Bentonite Powder In Chennai

Piling Grade Bentonite Powder In Chennai

Product Price: Rs 14.5 / KGGet Best Price

Minimum Order Quantity: 50 KG

Product Brochure

Product Details:
StatePowdered
Gradesodium
Packaging TypeHDPE Bag
Packaging Size50 kg
Usage/ApplicationConstruction
Physical StatePowder
Grade StandardTechnical Grade
BrandAstrra Chemicals
We offer Bentonite Powder that is naturally formed electrostatic volcanic material. It has an electric charge and is widely used in cleaning applications because of its absorption properties. It is composed of montmorillonite and is used in adhesives, cement and ceramic bodies.

Additional Information:

  • Production Capacity: 10000 Kgs
  • Delivery Time: 7 to 10 days
  • Packaging Details: Brand New Hdpe Bags
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Micronized Biomass Silica
  • Micronized Biomass Silica
  • Micronized Biomass Silica
  • Micronized Biomass Silica
  • Micronized Biomass Silica
  • Micronized Biomass Silica
  • Micronized Biomass Silica
  • Micronized Biomass Silica

Micronized Biomass Silica

Product Price: Rs 38.00 / KgGet Best Price

Minimum Order Quantity: 50 Kg

Product Brochure

Product Details:
GradeSuper Semi
BrandAstrra Chemicals
Usage/ApplicationAgriculture
ColorWhite
Packaging Size25 kg/bag
StatePowder
Packaging TypeHDPE Bag
MaterialSilica
Purity98%
Micronised Biomass Silica (MBS) is an agricultural waste product which comprises of high content of silica. This study was conducted on the off-white amorphous biomass silica ash derived from the rice husk with pozzolanic index 69%. Various percentages of MBS ranging from 0% to 20% by mass have been used as cement replacement material. Compressive strength and water permeability of concrete with MBS incorporation were investigated.

Product Details:

Silica

SiO2

88.90%

Alumina

Al2O

2.50%

Ferric Oxide

Fe2O3

2.19%

Calcium Oxide

CaO

0.22%

Total Alkalies

(Na2O+K20

0.69%

Loss on drying at 100 Deg.C

4.01%

Specific gravity

2.25%

Bulk Density

0.2 - 0.3 gm%

Free Silica Sand

Max.3%




Additional Information:

  • Production Capacity: 10000 Kgs
  • Delivery Time: 7 to 10 Days
  • Packaging Details: Brand New HDPE Bags
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Bentonite Powder Barmer
  • Bentonite Powder Barmer
  • Bentonite Powder Barmer
  • Bentonite Powder Barmer
  • Bentonite Powder Barmer
  • Bentonite Powder Barmer
  • Bentonite Powder Barmer

Bentonite Powder Barmer

Product Price: Rs 11.5 / KgGet Best Price

Minimum Order Quantity: 100 Kg

Product Brochure

Product Details:
StatePowdered
BrandAstrra Chemicals
Aluminium Oxide08.00%
Ferric Oxide08.00%
Titanium Oxide01.50%
Magnesium Oxide06.00%
We offer and are the leading manufacturers of Bentonite Powder in Chennai, Tamilnadu, India. It is naturally formed electrostatic volcanic material. It has an electric charge and is widely used in cleaning applications because of its absorption properties. It is composed of montmorillonite and is used in adhesives, cement and ceramic bodies.
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Carbon Black Micronized
  • Carbon Black Micronized
  • Carbon Black Micronized
  • Carbon Black Micronized
  • Carbon Black Micronized
  • Carbon Black Micronized
  • Carbon Black Micronized
  • Carbon Black Micronized
  • Carbon Black Micronized
  • Carbon Black Micronized
  • Carbon Black Micronized
  • Carbon Black Micronized
  • Carbon Black Micronized
  • Carbon Black Micronized
  • Carbon Black Micronized

Carbon Black Micronized

Product Price: Rs 58 / kgGet Best Price

Minimum Order Quantity: 20 kg

Product Brochure

Product Details:
FormPowder
ColorBlack
Nitrogen2.65%
Hydrogen3.28%
Nitrogen Surface Area24.3 m2/gm
Sulphur6.69%
Ash Content1.68%
BrandAstrra Chemicals
Carbon82.54%
We are the leading manufactures, exporters,technical developers and suppliers of Micronised Carbon Black in Chennai, Tamil Nadu,
Get Best QuoteRequest A Callback
Sodium Lignosulphonate Powder
  • Sodium Lignosulphonate Powder
  • Sodium Lignosulphonate Powder
  • Sodium Lignosulphonate Powder
  • Sodium Lignosulphonate Powder
  • Sodium Lignosulphonate Powder
  • Sodium Lignosulphonate Powder

Sodium Lignosulphonate Powder

Product Price: Rs 85 / KgGet Best Price

Minimum Order Quantity: 100 Kg

Product Brochure

Product Details:
Usage/ApplicationCONSTRUCTION
Packaging Size50 Kgs
Packaging TypeHDPE Bags
FormPowder
Shelf Life2 years
Is It OrganicOrganic
PH Value5.1
Country of OriginMade in India
Sodium Lignosulphonate Powder

Sodium lignosulfonate (lignosulfonic acid, sodium salt) is used in the food industry as a de-foaming agent for paper production and in adhesives for items that come in contact with food. It has preservative properties, and is used as an ingredient in animal feeds.

Sodium lignosulfonate used as plasticizer in concrete will reduce the cost by 10-15%,the sodium lignosulfonate could assume 0.5-2% of the total mixture w/w,will increase the strength of concrete by 20-26%.

Sodium Lignosulfonate plasticizer Functions as follows

Improved strength and durability of the cured concrete
Reduced formulation cost
Increased workability of the concrete mix

Sodium lignosulfonate uses water reducing agent, By sulfite pulp waste liquid of legal system formed by chemical modification and processing. Medium molecular weight, The reducing sugar content in low,Used for concrete admixture, With low dosage, low gas content, to cement the characteristics of strong adaptability, The most notable feature is the rear with naphthalene superplasticizer complex, Liquid admixture made no precipitate.

Main performance

Can reduce water consumption by more than 14%, Significantly improve the workability of concrete. Can greatly reduce the initial heat of hydration of cement hydration. No chlorine salt, no corrosive effect on steel. Alkali-free active substance.

1.Sodium Lignosulfonate uses as superplasticizer dosage of cement content 0.20-0.30%, commonly used dosage is 0.25% water reduction of up to 9-11%. In the appropriate dosage when compared with the reference concrete strength increased by 15-20% 3 days, 7 days strength increased 20-30%, 28 days by 15-20%, long-term strength also increased.

2.Without changing the water in the case of concrete( suggested ratio 0.65)1to increase the flow of concrete, improved work-ability.

3.In keeping concrete slump, the same intensity and the reference concrete, cement can save 8-10%, the use of one ton of  Lignosulfonate superplasticizer powder, can save 30-40 tons of cement.

Method of use

Sodium lignosulfonate uses as water reducing agent,In concrete recommended dosage of 0.2% -0.6%(cement weight meter), Users should determine the optimal dosage through the experiment. Sodium lignosulfonate water reducing agent can be used as liquid. Users can experiment to determine the content and proportion.



Additional Information:

  • Production Capacity: 10000 Kgs
  • Delivery Time: 7 days
  • Packaging Details: 50 Kgs Bags
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Micronised Mica Powder
  • Micronised Mica Powder
  • Micronised Mica Powder
  • Micronised Mica Powder
  • Micronised Mica Powder
  • Micronised Mica Powder
  • Micronised Mica Powder
  • Micronised Mica Powder

Micronised Mica Powder

Product Price: Rs 48 / KgGet Best Price

Minimum Order Quantity: 100 Kg

Product Brochure

Product Details:
ColorWhite
Packaging Size25 kg/bag
FormPowder
Packaging TypeHDPE BAGS
BrandAstrra Chemicals
Product TypeMICACEOUS
MaterialMICA
Specific gravity2.8-3.0
MICA POWDER

We are the leading manufactures, exporters,technical developers and suppliers of   MICA POWDER in Chennai, Tamil Nadu, 


Certificate of analysis:

Chemical

Composition

SiO2

Al2O3

K2O

Na2O

MgO

Fe2O3

TiO2

S+P

CaO

H2O

Name

Silicon

dioxide

Aluminium

trioxide

Potassium

oxide

Sodium

oxide

Magnesium

oxide

Iron

trioxide

Lilanium

dioxide

Sulphur+

calcium

Calcium

oxide

Hydrogen

oxide

Content(%)

44-50

20-33

9-11

0.6-1.8

0.32-2

2-6

0.7-1.2

0.02-0.05

0.02-0.77

2.62

 

 

 

 



Additional Information:

  • Production Capacity: 10000 KGS
  • Delivery Time: 7 TO 10 DAYS
  • Packaging Details: BRAND NEW HDPE BAGS
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Calcium Oxide Quicklime
  • Calcium Oxide Quicklime
  • Calcium Oxide Quicklime
  • Calcium Oxide Quicklime
  • Calcium Oxide Quicklime
  • Calcium Oxide Quicklime
  • Calcium Oxide Quicklime

Calcium Oxide Quicklime

Product Price: Rs 25 / KgGet Best Price

Minimum Order Quantity: 50 Kg

Product Brochure

Product Details:
Purity96%
Powder Size400 Mesh
UsagesPaint / Construction / Plastic disintegration
AppearanceWHITE POWDER
ColorPure White
Country of OriginMade in India
We are the stalwarts in the domain of manufacturing, supplying, wholesaling, and exporting CALCIUM OXIDE - QUICK LIME These flavor grade chemicals are processed using pure and accurate ingredients that are procured from reliable and trusted vendors of the market. Our range is available in the market at leading prices in packs of different quantities.

Additional Information:

  • Item Code: AC005
  • Production Capacity: 10000 tons
  • Delivery Time: IMMEDIATE
  • Packaging Details: BRAND NEW HDPE BAGS
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Synthetic Iron Yellow Oxide
  • Synthetic Iron Yellow Oxide
  • Synthetic Iron Yellow Oxide
  • Synthetic Iron Yellow Oxide
  • Synthetic Iron Yellow Oxide
  • Synthetic Iron Yellow Oxide

Synthetic Iron Yellow Oxide

Product Price: Rs 145 / KgGet Best Price

Minimum Order Quantity: 100 Kg

Product Brochure

Product Details:
BrandAstrra Chemicals
ColorYellow
Packaging TypePoly Bag
Packaging Size25Kg
Physical FormPowder
Chemical FormulaFe(OH)3
Molar Mass106.867 g/mol
We are the leading manufactures, exporters,technical developers and suppliers Yellow Iron Oxide (Synthetic) in Chennai, Tamil Nadu.

Synthetic Yellow Iron Oxide is a inorganic Pigment of fine particle size and great tinctorial strength, Excellent light fastness, resistance to alkali, non-toxic and non-inflammable & produce very attractive shades of variegated colors.

Applications :
Pigments, Decorative Paints, Floor colour,Primer and Wood Finish.
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Aluminium Silicate Extra Light
  • Aluminium Silicate Extra Light
  • Aluminium Silicate Extra Light
  • Aluminium Silicate Extra Light

Aluminium Silicate Extra Light

Product Price: Rs 145 / KgGet Best Price

Minimum Order Quantity: 50 Kg

Product Brochure

Product Details:
BrandAstrra Chemicals
Purity92% & ABOVE
Usage/ApplicationINDUSTRIAL APPLICATION
Packaging TypeHDPE BAGS
Packaging Size50 KGS
Physical FormPOWDER
Chemical FormulaAl2SiO5
Molar mass162.0456 g mol1
Ferric Oxide0.50 (Max)
Alumina37.59%

Aluminium Silicate ( Extra Light ).

We are the leading manufactures, exporters,technical developers and suppliers of Alumium Silicate ( Extra LIght ) in Chennai, Tamil Nadu, 

All these products are processed using optimum-grade chemical compounds employing latest equipment. Besides, our logistics personnel ensure to timely deliver the offered range at customers' destination using easy modes of shipment.

 

Features:

  • White in color
  • Effective
  • Moisture resistant
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High Alumina Refractory Cement
  • High Alumina Refractory Cement
  • High Alumina Refractory Cement
  • High Alumina Refractory Cement
  • High Alumina Refractory Cement
  • High Alumina Refractory Cement

High Alumina Refractory Cement

Product Price: Rs 48 / KilogramGet Best Price

Minimum Order Quantity: 100 Kilogram

Product Brochure

Product Details:
Packaging Size50 kg
FormulaAl2O3
Melting point2,072 Deg C
Boiling point2,977 Deg C
BrandAstrra Chemicals
Shelf Life2 year
Alumina Cement

We are the leading manufactures, exporters,technical developers and suppliers  Alumina Cement in Chennai, Tamil Nadu, India.


We have been able to manufacture, supply, export and wholesale best-in-class ALUMINA CEMENT. Processed under the guidance of sedulous professionals, these chemicals are assured for their purity and fine quality. Furthermore, we employ technically advanced machines and techniques in the processing endeavors so as to be sure of their accurate composition

CERTIFICATE OF ANALYSIS

 

         ALUMINA CEMENT

 

TYPICAL ANALYSIS

 

Appearance

White Powder

Brightness (ISO)

82+/-0.5%

Loss on ignition

14%(Max)

Coarse particle on 53

Micron IS SIEVE (Max)

0.05%(Max)

Ph (of 20% aqueous solution)

4.5 to 6.5

Particles less than 2 micron

68% w/w (Min)

Bulk density

0.8%+-0.1 gm/cc

Moisture

1%(Max)

Melting point

1735 Deg.C

Specific gravity (H2O=1)

2.63

 

CHEMICAL ANALYSIS                  (w/w)%

 

Silica

45.17

Ferric Oxide

           0.50(Max)

Alumina

37.59

Titanium Dioxide

0.50

Calcium Oxide

0.22

Magnesium Oxide

0.12

Sodium Oxide

0.31

Potash

0.07

 

 



Additional Information:

  • Production Capacity: 50000 KGS
  • Delivery Time: 7 DAYS
  • Packaging Details: BRAND NEW HDPE BAGS
Get Best QuoteRequest A Callback
Bentonite Sodium Based
  • Bentonite Sodium Based
  • Bentonite Sodium Based
  • Bentonite Sodium Based
  • Bentonite Sodium Based
  • Bentonite Sodium Based
  • Bentonite Sodium Based
  • Bentonite Sodium Based

Bentonite Sodium Based

Product Price: Rs 14 / KgGet Best Price

Minimum Order Quantity: 100 Kg

Product Brochure

Product Details:
Usage/ApplicationIndustrial
Packaging TypeHDPE Bag
ColorWhite
FormPowder
BrandAstrra Chemicals
Packaging Size25-50 kg/bag
Known for manufacturing, supplying, wholesaling and exporting a wide range of optimum quality Industrial Chemical, Astrra Chemicals, based in Chennai, was established in the year 1992. Offered chemical range is inclusive of Construction Chemicals, Antioxidants Chemicals and Aromatic Chemicals. Available with us at cost-effective prices, these chemicals are extremely appreciated for their compositional accuracy and high effectiveness. In addition to this, our company is engaged in manufacturing, wholesaling and exporting best quality FRP Products - Raw Materials, De-ionized Water, Industrial Solvents Essential Oils Industrial Dyes and Industrial Pigments. Our offered products are extensively used in various industrial applications and are highly demanded by the customers.

With the aid of our team of highly dedicated professionals, we have been able to meet the bulk order requirements of production within the stipulated time frame. Our professionals, who hold expertise in their area of operations, are trained on a regular basis through seminars and workshops in order to enhance and polish their technical as well as professionals skills. Highly motivated to attain maximum customer satisfaction, our company strictly follows customer centric approach and transparent business policies, since its inception. We export our products all over the world.
Get Best QuoteRequest A Callback

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