What payment terms and lead times do you offer?

Payment terms include LC, T/T, D/P, PayPal, Western Union, and small-amount payments. The average lead time is one month for both peak and off-peak seasons.

Do you provide electroplating services?

Yes, our electroplating workshop can customize types such as chromium, TiN, CrN, AlTiN, and tungsten carbide to enhance product durability and performance.

Parallel and Conical Twin Screw

Name: Parallel and Conical Twin Screw
Brand: Ningbo Jinyi Precision Machinery Co., Ltd.
SKU: 2132730605

Zhejiang, ChinaNingbo Jinyi Precision Machinery Co., Ltd.

US$4,000.00

1-4 Pieces

US$3,500.00

5-9 Pieces

US$3,400.00

10+ Pieces

Sample price:US$10000.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Teach You Until You Can by Yourself

Warranty

1 Year

Model NO.

Jinyi screw

Standard

DIN, ASTM, GOST, GB, JIS, ANSI, BS

Technics

Casting

Feature

Recycle

Material

Metal

Surface Roughness

Less Than Ra0.8

Screw Straightness

Less Than 0.004mm/M

Suitable Material

Rpvc/CPVC/PE and Granule

Transport Package

by Wooden Box Safely

Specification

Dia35-188m max length 2500mm

Trademark

Jinyi

Origin

Ningbo China

HS Code

8477900000

Production Capacity

20000PCS/Year

Key features

Customized Surface & Straightness: Surface roughness less than Ra0.8 and screw straightness less than 0.004mm/M.

Bimetallic Barrel Manufacturing: Produces Fe-based, Ni-based, and Co-based bimetallic barrels via centrifugal casting.

Advanced Electroplating Options: Custom electroplating available for chromium, TiN, CrN, AlTiN, and tungsten carbide.

High Production Capacity: Monthly capacity of 5000 tons and annual output of 60,000 tons.

Comprehensive OEM/ODM Service: Supports processing based on customer samples or drawings with professional design team.

Wide Material Compatibility: Suitable for RPVC, CPVC, PE, PP, and granules for pipes, profiles, and foaming.

Professional After-Sales Support: 4 dedicated staff provide immediate technical support and training until you can operate independently.

1-Year Warranty Coverage: Standard 1-year warranty included with comprehensive technical assistance.

Company profile

Ningbo Jinyi Precision Machinery Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2008-07-01 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryNingbo Jinyi Precision Machinery Co., Ltd. is a China-based limited company established in 2003, with 346 employees and a 24,000 m² manufacturing plant. It operates more than 10 production lines and reports annual output of 24,000 screw and barrel sets, with one-month lead times in both off-peak and peak seasons. Its product range includes screws, barrels, twin screw barrels, tie bars, accessories, and related machinery components. The supplier holds an ISO9001:2015 certificate and states that it has implemented ISO9001 and SGS certification. Evidence indicates technical experience, customization support through samples and OEM drawings, export capability, and products designed for high-wear applications. However, the slices do not provide sufficient evidence to assess financial credibility, detailed after-sales service processes, or identifiable customer cases.

Supplier typeThe supplier is identified as Ningbo Jinyi Precision Machinery Co., Ltd., a China-based limited company operating in manufacturing and industrial equipment components. One record describes the company nature as a trading company, while other records identify manufacturing operations, including a 24,000 m² plant and more than 10 production lines.

CertificationsThe supplier explicitly reports an ISO9001:2015 certificate and states that it was among the first in its field to implement ISO9001 and SGS certification. This provides direct evidence of formal quality-system certification, although the slices do not specify the scope or validity period of the SGS certification.

After-Sales capabilityThe supplier offers a two-year warranty for products running plastics containing up to 60% glass fiber and states that it supports customer needs with recommended solutions. These statements indicate some warranty and technical-support capability, but no detailed service network, response process, spare-parts policy, or complaint-handling data is provided.

R&D capabilityJINYI developed JYK bimetallic barrels and JYG ultra-wear-resistant screws, and its technical team is described as having more than 20 years of professional experience. The records also state that the company can recommend solutions for special customer needs, supporting a positive assessment of product and technical development capability.

Production capacityThe supplier reports more than 10 production lines, a 24,000 m² manufacturing plant, 346 employees, and annual screw-and-barrel productivity of 24,000 sets. It also reports one-month fulfillment times in both peak and off-peak seasons, providing explicit evidence of established production capacity and stated delivery capability.

Customization capabilityThe supplier states that it can provide products based on samples and OEM drawings and recommend solutions according to special customer requirements. Its product range covers multiple screw, barrel, tie-bar, gearbox, and accessory categories, which supports customization potential, although the slices do not quantify engineering or tooling capacity for custom projects.

Product Q&A

Q:What customization options are available?

We offer customization for surface roughness (less than Ra0.8), screw straightness (less than 0.004mm/M), and specific materials like RPVC, CPVC, PE, and granules. OEM and ODM services are also available based on your samples or drawings.

Q:What types of bimetallic barrels do you produce?

We produce various Fe-based, Ni-based, and Co-based bimetallic barrels using imported centrifugal casting equipment and PTA bimetallic spraying technology to improve efficiency and corrosion resistance.

Q:What is the warranty period and after-sales service?

We provide a 1-year warranty. Our after-sales service includes teaching you until you can operate the equipment independently, with 4 dedicated staff available for immediate technical support.

Q:What are the production capacities?

Our monthly production capacity is 5000 tons, with an annual capacity of 60,000 tons, supported by over 30 NC and CNC machine centers and 350 experienced workers.

Q:Which materials are suitable for these twin screw barrels?

Our parallel and conical twin screw barrels are suitable for processing RPVC, CPVC, PE, PP, and granules, making them ideal for PVC pipes, profiles, sheets, and extrusion foaming products.