How is quality control handled?

We perform 100% inspection during production and conduct random sampling before shipment.

Is the MOQ negotiable?

Yes, the Minimum Order Quantity (MOQ) is negotiable.

What payment terms do you accept?

We accept T/T (Telegraphic Transfer) as the payment term.

Standard Roller Trapezoidal Thread Rod Open Screw Lead Screw Tr20X4

Name: Standard Roller Trapezoidal Thread Rod Open Screw Lead Screw Tr20X4
Brand: Ningbo Langchi Transmission Technology Co., Ltd.
SKU: 794934395

Zhejiang, ChinaNingbo Langchi Transmission Technology Co., Ltd.

Negotiable

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Round Head

Model NO.

Nblangchi-068

Groove

Trapezoidal

Connection

Common Bolt

Head Style

Round

Standard

DIN, GB, ISO

Grade

Start

Surface Treatment

Polish

Color

Natural

Technology

Cold Extrusion

Transport Package

Bubble Bag+Carton+Wooden Case or up to You

Specification

ISO9001

Trademark

Nblangchi

Origin

Ningbo, Zhejiang, China

HS Code

8483401000

Production Capacity

100, 000PCS/Month

Key features

Customizable Surface Treatment: Options include polishing, blacking, anodizing, chrome plating, zinc plating, nickel plating, and tinting.

Wide Material Selection: Available in carbon steel, alloy steel, stainless steel, copper, aluminum, brass, and POM.

Custom Dimensions: Manufactured strictly according to customer drawings and specific requirements.

OEM and ODM Services: Full support for original equipment manufacturing and design manufacturing services.

Rapid Sample Delivery: Sample production completed within 7 to 15 days for quick reference.

Comprehensive QC System: 100% inspection during production with random sampling before shipment.

Advanced Processing Equipment: Equipped with over 250 sets of CNC machines, rolling, and grinding facilities.

Free Sample Availability: Free samples provided for customer reference upon inquiry.

Company profile

Ningbo Langchi Transmission Technology Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-02-29 CertifiedNearest Port: Ningbo PortAverage Response Time: ≤24h CertifiedTerms of Payment: T/T

AI-Powered supplier vetting

SummaryNingbo Langchi Transmission Technology Co., Ltd. is a China-based limited company in Ningbo, Zhejiang, established in 2016, with 52 employees and a 3,650 m² manufacturing plant. The supplier describes itself as a manufacturer of lead screws, nuts, worms, and worm gears, while another record classifies its company nature as a trading company. It holds an ISO 9001:2015 certificate, operates more than 10 production lines, and has 6–10 quality-control staff. Products support multiple international thread standards and materials, with stated customization for special specifications, screws, nuts, and M0.5–M6 worm and worm-wheel modules. Export markets span Africa, East Asia, Europe, Australia, and North America. Off-peak lead time is within 15 working days and peak-season fulfillment is one month. Evidence is insufficient to assess after-sales service, financial credibility, or customer cases.

Supplier typeThe supplier is legally identified as a combined, limited company established in China, while its company nature is separately recorded as a trading company. Its own description presents it as a professional manufacturer of screws, nuts, worms, and worm wheels, indicating a mixed manufacturing and trading profile.

CertificationsThe supplier explicitly reports holding an ISO 9001:2015 management-system certificate. This provides documented evidence of a quality-management certification, although no additional certifications are stated.

R&D capabilityThe supplier supports international, DIN103, and ACME thread standards, multiple material options, one-start and multi-start screws, and left- and right-hand screw configurations. However, the stated R&D engineer experience is three years, and there is no evidence of patents, proprietary technology, or formal product-development results.

Production capacityThe supplier reports 52 employees, a 3,650 m² plant, more than 10 production lines, 6–10 quality-control staff, and ISO 9001:2015 certification. It also states an off-peak lead time within 15 working days and peak-season fulfillment within one month, supporting a demonstrated production and delivery capacity.

Customization capabilityThe supplier explicitly states that special specifications can be customized according to customer requests, including screws, nuts, and M0.5–M6 worm and worm-wheel modules. Its product description also covers varied thread configurations and materials, providing direct evidence of customization breadth.