Yes, OEM is available. We provide customized services for customers including logo and chain type customization.

What are your major products?

Our main products are all kinds of Automobile Chain Systems, Motorcycle Chain Systems, Industrial Chain Systems, Agricultural Chain Systems, Bicycle chain Systems, Saw Chains, and Vessel Chain.

7 Speed Crank Chainwheel Bike Variable Speed Electric Bicycle Roller Chain

Name: 7 Speed Crank Chainwheel Bike Variable Speed Electric Bicycle Roller Chain
Brand: Qingdao Choho Industrial Co., Ltd.
SKU: 2014623842

Shandong, ChinaQingdao Choho Industrial Co., Ltd.

US$1.60

1,000-2,999 Meters

US$1.50

3,000+ Meters

Sample price:US$15.00/meter.Request sample

Product profile

Customization

Available

After-sales Service

Repair/Replacement/Refund

Warranty

Repair/Replacement/Refund

Model NO.

7/9/10/11 Speed

Condition

New

Certification

CE, BSCI, EEC, ISO9001

Customized

Non-Customized

Application

Kids Bike, Road Bike, Mountain Bike, Ordinary Bicycle

Size

1/2 X 11/128

Type of Chain Wheel

Single Chain Wheel

Type

Single Speed

Material

Carbon Steel

Chain Type

7 Speed High /Single Speed/9 Speed/11speed

Product Logo

Choho/Customization

Sample

Available

Made Style

Manufacture & OEM

Certificate

ISO/CE/SGS/BV/TUV

Delivery Time

5~45 Days

Transport Package

PE Bag/Cartons/Wooden Cases/Container

Specification

DIN/ISO/ANSI

Trademark

CHOHO/Customization

Origin

HS Code

731511

Production Capacity

20000000

Key features

36 Years Manufacturing Experience: Factory focused on producing and exporting Chains for over 36 years with professional trade team.

Global Quality Certifications: Certified by CE, BSCI, EEC, ISO9001, SGS, BV, TUV and approved by global quality systems.

OEM and Customization: OEM available with customized logo and chain types including 7/9/11 speed options.

Advanced Core Technologies: Features 10 core technologies including CRV pin treatment and vacuum oiling for durability.

Fast Delivery and Stock: Lead time 1-45 days; stock items can be shipped immediately for urgent orders.

Strong R&D and Patents: 180 authorized patents as of 2022 and strong R&D centers in Qingdao, Shanghai, and Tokyo.

Flexible Payment Terms: Accepts T/T (30% advance, 70% balance), L/C, PayPal, Western Union, and other methods.

Free Sample Availability: Free samples provided; customer only bears the shipping cost for sample delivery.

Company profile

Qingdao Choho Industrial Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 1999-11-01Nearest Port: Qingdao Port, Tianjin Port, Shanghai PortAverage Response Time: ≤15hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryQingdao Choho Industrial Co., Ltd. is a China-based public company and manufacturer/trading group specializing in chain systems and related components for automotive, motorcycle, industrial, agricultural, vessel, bicycle, and saw-chain applications. Evidence indicates substantial export experience since 1999, exports representing 51%–70% of sales, shipments from Qingdao, and distribution across multiple global regions. The supplier reports nationally recognized technology centers, 50 R&D engineers, more than 10 production lines, 50 quality-control staff, and broad management-system certifications. It also states that it serves more than 2,000 after-sales customers and has supplied major enterprises, but specific customer identities and detailed service commitments are limited. Financial strength cannot be assessed because financial data is excluded.

Supplier typeThe supplier is identified as a Trading Company, Manufacturer/Factory, and Group Corporation, with industrial equipment, hardware, automotive and motorcycle parts, and manufacturing machinery as its commercial categories. Its stated product range and factory-related capabilities support classification as a manufacturer with trading and group-company characteristics.

CertificationsThe supplier lists numerous management and quality-related certifications and systems, including TS 16949, ISO 9001, ISO 14001, ISO 14000, OHSAS/OHSMS 18001, QC 080000, and others. The breadth of listed certifications is explicit evidence of formalized management and quality-system coverage, although certificate validity and scope are not provided.

After-Sales capabilityThe supplier states that it serves more than 2,000 after-sales customers, which directly indicates an established after-sales customer base. However, the slices do not specify response times, service locations, staffing, warranty terms, or technical support procedures.

R&D capabilityCHOHO is described as having industry-leading R&D technology, nationally recognized enterprise technology centers, national technological innovation demonstration status, and 50 R&D engineers. It also states that it is advancing automation and intelligent-control technologies, providing strong explicit evidence of innovation capability.

Production capacityThe supplier reports a sophisticated production-management and quality-control process, advanced production, processing and testing equipment, internationally leading full-process quality control, and more than 10 production lines. These statements directly support substantial production and process-control capability.

Client casesCHOHO states that it provides chain-system solutions to Global Top 500 companies and top enterprises in various fields, and names Kunshan Logistics, Qingdao Kejie, and Sinsong Robotics in the available descriptions. Trade data also associates it with TALHA CORPORATION, while the supplier reports exports to Europe, America, Southeast Asia, South America, and Africa; these provide explicit customer and market references, though detailed project outcomes are absent.

Product Q&A

Q:Are you a Manufacturer or Trade Company?

We are a factory focused on producing and exporting Chains for over 36 years and have a professional international trade team.

Q:What terms of payment do you usually use?

T/T term 30% in advance, 70% balance before shipment. We also accept L/C, D/P, PayPal, Western Union, and others.

Q:What is your lead time for your goods?

Normally 1-45 days depending on order quantity & Spec. Stock can be shipped immediately.

Q:Do you attend any Shows?

We attend Hannover Messe, Bologna Fair, Canton Fair, AMTS, VIV ASIA, CIAME, Motor China, PTC Asia, Frankfurt Auto Parts, and other world-famous exhibitions.

Q:Do you offer free samples?

Yes, we can provide free samples, or you just bear the shipping cost.