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Precision Roller Trapezoidal Standard Thread Open Screw Leadscrew Tr40X7
Negotiable
1 Piece
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Carbon SteelType
Round HeadModel NO.
Nblangchi-066Groove
TrapezoidalConnection
Common BoltHead Style
RoundStandard
DIN, GB, ISOGrade
7eStart
1Surface Treatment
PolishColor
NaturalTechnology
Cold ExtrusionTransport Package
Bubble Bag+Carton+Wooden Case or up to YouSpecification
ISO9001Trademark
NblangchiOrigin
Ningbo, Zhejiang, ChinaHS Code
8483401000Production Capacity
100, 000PCS/MonthKey features
Customizable Specifications: Special specifications can be customized according to customer requests.
Wide Material Selection: Available in carbon steel, stainless steel, aluminum, copper, and more.
Diverse Surface Treatments: Options include polishing, anodizing, plating, and tinting as required.
Comprehensive Certifications: Products meet ISO, DIN, GB, and ACME standards with ISO9001:2008.
Rigorous Quality Control: 100% inspection during production with random sampling before shipment.
OEM and ODM Services: Full support for original equipment and design manufacturing services.
Fast Sample Delivery: Samples delivered within 7-15 days with batch production in 30 days.
Advanced Manufacturing Equipment: Over 250 sets of CNC and rolling machines for precision processing.
Company profile

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.
Product Q&A
Q:Can the product specifications be customized?
A:
Yes, special specifications products can be customized according to customer requests.
Q:What materials are available for the screws?
A:
Materials include carbon steel, alloy steel, stainless steel, copper, aluminum, and others.
Q:What surface treatments are offered?
A:
Options include blacking, polishing, anodizing, chrome plating, zinc plating, nickel plating, and tinting.
Q:What is the delivery time for samples and bulk orders?
A:
Samples take 7-15 days, while batch production requires 30 days.
Q:Do you offer OEM and ODM services?
A:
Yes, we provide both OEM and ODM services for our products.
Send Inquiry
*To:
Ningbo Langchi Transmission Technology Co., Ltd.
Ningbo Langchi Transmission Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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