OurProduct

Specializing in the production and sale of all kinds of square head wood screw and other screw products with export rights

               

About Company

Specializing in the production and sale of all kinds of screw products with export rights

Haiyan Longcheng Standard Parts Co., Ltd. is a famous

China square head wood screws manufacturers and square head wood screw with turning suppliers

, our factory has superior geographical position and convenient transportation. The company formerly known as Haiyan Shuangjian Standard Parts Factory, now renamed Haiyan Longcheng Standard Parts Co., Ltd., has a history of more than 10 years, specializing in the production and sale of various square head wood screw with turning products, with export rights.

At present, there are more than 50 employees.

More than 10 items of professional and technical research.

Learn more about it.
                   

Why Choose us

Specializing in the production and sale of various screw products Right to export

Professional team

Specializing in the production and sale of various screw products Right to export

Quality Assurance

Adhering to the Purpose of "Creating Longcheng Brand and Striving for World Famous" "Brand" and the ideal of spreading wings.

Export right

More than ten years of history, specializing in manufacturing and sales All kinds of square head wood screw products have the right to export.

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Immediate service

                   

               

Company News

Specializing in the production and sale of all kinds of screw products with export rights

How to deal with the surface of the bolt?

Stud bolts generally need to undergo surface treatment. There are many types of bolt surface treatme...

Nov23 READ MORE

Basic knowledge and maintenance about bolts?

The production of stud bolts requires fixed equipment and machine tool processing. Of course, the pr...

Nov16 READ MORE

Basic knowledge about bolts?

Stud bolts are manufactured in accordance with the GB897-GB901 standard. The materials used are: Q23...

Nov09 READ MORE

What are the treatment methods for aging and corrosion of galvanized screws?

Galvanized screws made of carbon steel will inevitably age and corrode if used for a long time. In t...

Oct27 READ MORE

What are the moisture-proof measures for screws?

The screw manufacturer introduces if the iron screw is wet, or soaked in liquid. If they are wet etc...

Oct21 READ MORE

What problems should be paid attention to during the use of stainless steel screws?

1. Screw customization introduction The surface of stainless steel screw is adhered with organic jui...

Oct10 READ MORE

What are the tips for using non-standard screws?

1. Remove the damaged bolt (composition: head and screw) nut, and then use a suitable wire hammer to...

Sep30 READ MORE

What are the grades of screws?

1. Bolt functional level, that is, the functional level of bolts used for steel structure connection...

Sep23 READ MORE

What are the types and applications of commonly used non-standard screws? (2)

1. Externally forced internal thread non-standard screws, suitable for hanging water pipes, electric...

Sep15 READ MORE

What are the types and applications of commonly used non-standard screws? (1)

Screws are a universal name for standard parts, and daily life applications are ubiquitous. What are...

Sep08 READ MORE
               

OurExhibition

Specializing in the production and sale of all kinds of screw products with export rights

               

CompanyQualifications

Specializing in the production and sale of all kinds of square head wood screw with turning products with export rights