What is the lead time for delivery?

The average lead time is one month for both peak and off-peak seasons.

What payment terms do you accept?

We accept LC and T/T payment terms.

Are you a manufacturer or a trading company?

We are a manufacturer and trading company with our own factory established in 2012.

C1022A Black Phosphating Drywall Screws Wood Screws for Gypsum Board

Name: C1022A Black Phosphating Drywall Screws Wood Screws for Gypsum Board
Brand: QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.
SKU: 2025011292

Shandong, ChinaQINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.

US$500.00

5 Tons

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Round Head

Groove

Cross

Connection

Common Bolt

Head Style

Round

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

12.9

Shank

Screw

Thread Type

Coarse or Fine Threaad

Length

13-150mm

Diameter

3.5-4.8mm

Surface

Black Phosphated/Galvanized

Transport Package

Carton in Bulk

Specification

13-150mm

Trademark

Origin

China

HS Code

73170000

Production Capacity

1000ton/ Month

Key features

High Strength Material: Made from C1022 Carbon Steel with Grade 12.9 heat treatment for superior durability.

Versatile Surface Options: Available in Black Phosphated, Grey Phosphated, Galvanized, and HDG finishes.

Customizable Dimensions: Length ranges from 13-152mm and diameter from 3.5-4.8mm to fit specific needs.

Multiple Thread Types: Offered in both Coarse and Fine thread options for various applications.

OEM and ODM Services: Full customization available from client designs or physical samples.

Competitive Factory Price: Direct factory sales ensure highly competitive pricing for bulk orders.

Fast Delivery Capability: Timely delivery guaranteed with one-month lead time for both peak and off-peak seasons.

Strict Quality Control: Professional testing department with 3 inspectors ensures high-quality standards.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedNational Award received

QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 5 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.52h

AI-Powered supplier vetting

SummaryThe supplier is a Qingdao-based manufacturer and trading company with a broad registered business scope covering mechanical equipment, metal products, automotive parts, plastic products, building materials, and import/export activities. It reports ISO 9001, 14001, and 18001 certification history, eight production lines, 50 quality-control staff, and stated production capacity for several nail categories. The supplier offers customization from designs and samples, ODM, and OEM services for well-known brands. However, it reported no new products in the past year, lacks overseas warehouses, showrooms, agents, or branches, and has weak documented service-management controls: no written service-assessment or corrective-action procedures and no complaint-handling records. Financial information is identified for 2021–2023, but the slices do not provide performance values, so financial credibility cannot be fully assessed.

Supplier typeThe supplier operates as a manufacturer and trading company: its registered scope includes sales and import/export activities, while its factory information reports eight production lines and product-specific output. Its company description also states more than 20 years of development and business relationships across Europe, America, Southeast Asia, and Africa.

CertificationsThe supplier states that it passed ISO 9001, ISO 14001, and ISO 18001 international management-system certifications in 2001. This is explicit certification evidence, although the slice does not provide current certificate validity or renewal details.

After-Sales capabilityThe supplier has a complaint-handling procedure but no written complaint records, and it lacks written procedures or records for service-capability assessment and corrective/preventive actions. It has participated in the Canton Fair but reports no overseas warehouses, showrooms, agents, or branches, limiting evidence of structured overseas after-sales support.

R&D capabilityThe supplier reports ODM capability, an available SDK, and one internationally recognized design award. However, it also states that no new products were developed in the past year; this indicates some design and development resources but limited recent product-innovation evidence.

Production capacityThe supplier reports eight production lines, 50 quality-control staff, and stated annual outputs of 10,000 tons each for U-type, roofing, twisted, clout, and common nails. It also reports a one-month average lead time in both peak and off-season, supporting evidence of established production capacity, though the stated output figures are supplier-reported and not independently verified.

Customization capabilityThe supplier explicitly provides customization from customer designs and samples, ODM services, and OEM services for well-known brands. These statements directly demonstrate multiple forms of customization and contract-manufacturing capability.