Best Price Waterproof Luxury Leather Car Seat Cover

Best Price Waterproof Luxury Leather Car Seat Cover

Basic Info Type: Pipe Extruder Screw: Twin-Screw Computerized: Computerized Base Material: 38crmoala Nitrided Layer Depth: 0.5-0.8mm Surface Roughness: Ra 0.4 Bimetallic Layer Depth: 3 Mm Hardness After Hardening&Tempering: Hb240-280 Specification: ISO9001-2008 HS Code: 8477900000 Plastic...
We have been recognized as one of the leading suppliers of Reduce box, HOT FEEDING RUBBER SCREW BARREL, COLD FEEDING RUBBER SCREW BARREL in China. We are committed to providing customers with fast response, unparalleled quality, competitive prices, reliable delivery and abundant inventory. With the aim of 'compete with good quality and develop with creativity' and the service principle of 'take customers' demand as orientation', we will earnestly provide qualified products and good service for domestic and international customers. Our company will always insist on winning customers with high-quality products and professional services, not forgetting the original aspiration, and forging ahead to create a more brilliant future. We are looking forward to consolidate our technological advantages to revitalize the national high-end industry, and build a world-class brand! We have established a standardized product quality system, we have a reasonable price advantage and a rapid warehousing and logistics response mechanism.


Basic Info

Type: Pipe Extruder

Screw: Twin-Screw

Computerized: Computerized

Base Material: 38crmoala

Nitrided Layer Depth: 0.5-0.8mm

Surface Roughness: Ra 0.4

Bimetallic Layer Depth: 3 Mm

Hardness After Hardening&Tempering: Hb240-280

Specification:  ISO9001-2008

HS Code: 8477900000

Plastic Processed: PVC

Automation: Automatic

Application: Extruder

Nitrided Hardness: 900-1000hv (HRC 55-65)

Nitrided Brittleness: Less Than Grade 1

Linearity of Screw: 0.015 Mm

Bimetallic Layer Hardness: HRC 58-70

Trademark: JS-ALLOY

Origin: China Mainland

Product Description

Wear-resisting bimetallic conical twin screw barrel for WPC wall


JS-ALLOY is one of the most history and famous screw barrel brand in China. We have professional and experienced teams in every department of our company. We think professional, quality and service is the basic of business. If you want reliable and helpful screw barrel, we will be your best choice! Please kindly find our detailed information as following:


Conical twin screw barrel specification:

Φ 22/45, Φ 35/75, Φ 40/80, Φ 45/90, Φ 45/97, Φ 50/105, Φ 51/105, Φ 55/110, Φ 60/125, Φ 65/120, Φ 65/132, Φ 70/143, Φ 70/150, Φ 80/143, Φ 80/156, Φ 90/188, Φ 92/188, Φ 95/190, Φ 105/191, Φ 100/200

1. The above is standard sizes, if your screw barrel size didn't mentioned above, please contact me & we will give you best solution for it!

2. We provide Cincinnati, Battenfeld, Krauss Maffei, Amut, BAUSANO, Weber designing.


Technical information:

Base materials: 1)38CrMoAlA (JIS SACM645) 2)42CrMo (AISI 4140)

3)4Cr5MoSi V1 (JIS SKD-61) 4)DC53 (JIS G4404)

5)Cr12MoV (SKD11) 6)9Cr18MoV

Bimetallic alloy materials:

1)Ni-based alloy/Deloro alloy 2)Fe-based alloy

3)Co-based alloy 4)NiCo-based alloy

5)Tungsten carbide/Wolfram carbide

Processing technics:

Heat treatment

High-frequency quenching

Nitriding treatment

Bimetallic alloy welding

Bimetallic alloy centrifugal casting

Hard-chrome electroplating

Technical parameters:

Nitriding layer depth: 0.5-0.8mm

Nitrided Hardness: 900-1000HV (HRC 55-65)

Nitrided brittleness: Less than grade 1

Surface roughness: Ra 0.4

Linearity of screw: 0.015mm

Bimetallic layer depth: 3 mm

Bimetallic layer hardness: HRC 55-70

Hard-chrome plating hardness after nitriding: ≥ 950HV

Chrome-plating layer depth: 0.03-0.1mm


Products Application:

1)General Plastics, PVC

2)Material compounds CACO3, glass fiber, recycle materials, stabilizer

3)ABS, TPR, TPU, PMMA, C-PVC, UPVC, RPVC, PET, EVA, PU etc

4)Scrap and waste plastic and PVC recycling

5)Modified engineering plastics


Terms and Conditions:

Means of transport: Ocean, Air, Express

Production time: About 20-30 days after we receive the advanced payment


Production Process:

Receiving orders - Designing & Drawing confirmation - Blanking Thermal refining - Heat treatment - Rough Turning - Polishing - Drilling for barrel - Semi Finishing Machining - Bimetallic welding - Centrifugal casting for barrel - Polishing - Nitriding treatment(120 hours) or High frequency quenching - Hard-chrome plating - O. D. Grinding - Honing for barrel - Alignment - Polishing - Inspecting - Packing & Shipping



Find excellent quality bimetallic conical twin screw made in China from one of the largest manufacturers and suppliers - Jinsheng Bimetallic. Leveraging on advanced equipment and superior techniques, we can offer you bimetallic conical twin screw with high resistance, high quality and competitive price. With many products in stock, we warmly welcome you to buy or wholesale our products.
Based on years of rich experience and professional technology, we are able to provide superior Best Price Waterproof Luxury Leather Car Seat Cover and the most complete service to our customers. We adopt the principle of 'research and development as the driving force, technology as the core, and quality as the fundamental', and at the same time follow the sales philosophy of 'customer first, quality first', and win the praise of our customers with high quality product and service. After years of accumulation, our company has not only built a solid foundation in business, technology and economy, but also made many sincere and cooperative friends in various industries.
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