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Trapezoidal Inner Thread Round POM Screw Nuts Tr20X4
Negotiable
1 Piece
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableMaterial
POMType
Round HeadModel NO.
Nblangchi-075Connection
Common BoltHead Style
RoundStandard
DIN, GB, ISOGrade
7hSize
Tr20X4Start
1Color
NaturalTreatment
PolishTransport Package
Bubble Bag+Carton+Wooden Case or up to YouSpecification
ISO9001Trademark
NblangchiOrigin
Ningbo, Zhejiang, ChinaHS Code
8483401000Production Capacity
100, 000PCS/MonthCompany 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: ≤18h 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.
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