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

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

What are the methods for marking tolerances of non-standard screws?

In order to make the parts interchangeable, the size of the parts must be within a reasonable range,...

Sep02 READ MORE

How to weld the screws separately?

According to the thread, this welding needle can be divided into external thread welding needle and ...

Aug25 READ MORE

What are the quality inspection methods of screws?

The first inspection of electrical screws should be carried out from the wire of the screw. The qual...

Aug19 READ MORE

What are the precautions for electroplating special-shaped screws?

Everyone knows that special-shaped screws are not big in specifications and specifications, and they...

Aug12 READ MORE

What is the classification of precision screws?

Precision screws are classified into self-tapping precision screws and machine wire precision screws...

Aug04 READ MORE

How to distinguish between self-tapping screws and wood screws?

It is important to choose a suitable lubricant in tapping. When cleaning is not required, use a self...

Jul28 READ MORE

What are the classifications of screws?

Screw standard specification Standards are standards, and each country and part has its own standard...

Jul21 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