What surface treatments are available?

Options include electro-galvanized, hot-dip galvanized, zinc plated (white, blue, yellow, color), blackened, self-color, and black oxide.

What is the delivery time?

Delivery takes 3-20 days after order confirmation. Peak season lead time is one month, off-season is within 15 workdays.

What are the payment terms?

We accept T/T and L/C. Other terms include LC, D/P, and Western Union.

4 Chains Made in China

Name: High Quality ASTM1980 G30 Proof Coil 1/8-3/4 Chains Made in China
Brand: Qingdao H-Quality Industries Co., Ltd.
SKU: 792075262

Shandong, ChinaQingdao H-Quality Industries Co., Ltd.

US$0.50

200-1,999 Meters

US$0.48

2,000+ Meters

Product profile

Customization

Available

Usage

Transmission Chain

Material

Iron

Model NO.

Proof Coil Chain Astm1980 G30

Surface Treatment

Electroplating

Feature

G30

Chain Size

1/8--3/4

Structure

Welded Chain

Color

Solid Color

Transport Package

Drum

Specification

4MM-19MM

Trademark

OEM/H-Quality

Origin

China Mainland

HS Code

73158200

Production Capacity

1000 T/ Month

Key features

20 Years Manufacturing Expertise: Professional manufacturer specializing in chain production for two decades.

Wide Size Range: Available in sizes from 1/8 inch to 3/4 inch to meet various needs.

Multiple Material Options: Constructed from Stainless Steel, 20Mn2, Carbon Steel, and Alloy Steel.

Diverse Surface Treatments: Options include electro-galvanized, hot-dip galvanized, black oxide, and more.

Comprehensive Certifications: Certified with ISO9001, CE, BV, and SGS for quality assurance.

Custom Specifications: Special specifications and marks can be made according to customer requirements.

Fast Sample Delivery: Samples sent via DHL, UPS, TNT, or FEDEX immediately upon request.

Flexible Payment Terms: Accepts T/T and L/C for convenient and secure transactions.

Company profile

Qingdao H-Quality Industries Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2000-01-01Nearest Port: QINGDAO, SHANGHAIAverage Response Time: ≤2.79hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, CPT

AI-Powered supplier vetting

SummaryQINGDAO H-QUALITY INDUSTRIES CO., LTD. is identified as both a trading company and manufacturer/factory in China. The supplier reports more than 10 production lines, multiple product-specific annual capacities, 11–20 years of R&D engineer experience, and 11–20 quality-control staff. It states that the company and its factories passed ISO9001-2008 certification and maintains an export history beginning in 2000, with exports representing 51%–70% of sales. Product and trade records show rigging hardware, sleeves, wire rope slings, turnbuckles, chain blocks, and couplings, but the available transaction evidence is limited to a small number of recorded buyers and transactions. Evidence is insufficient to assess after-sales service, financial credibility, customization capability, or a broad customer track record.

Supplier typeThe supplier is explicitly classified as both a trading company and a manufacturer/factory, with a limited-company structure and an operating location in Shandong, China. This supports a hybrid manufacturing and trading business model.

CertificationsThe company states that it has passed ISO9001-2008 certification, and the same certification is reported for the company and its factories. This is explicit evidence of a quality-management certification, although no other certifications are provided.

R&D capabilityThe supplier reports 11–20 years of total R&D engineer experience and describes an R&D team comprising 3 professor-level senior engineers, 6 senior engineers, and 12 engineers. This directly supports substantial technical and R&D resources.

Production capacityThe supplier reports more than 10 production lines, product-specific annual capacities including 1,200 tons of rigging hardware and 400 tons of wire rope slings, and equipment such as punching machines, heat-treatment equipment, vacuum annealing furnaces, and an automatic plastic-coating line. These details provide explicit evidence of manufacturing infrastructure and measurable production capacity.