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

Customer case-none standard bolt

The end customer is a project on a railroad project in a European country Product requirements: 1. 4...

Apr12 READ MORE

客户案例:铁路工程项目-异性螺栓(L型螺栓)

终端客户是欧洲某国的铁路工程上的项目 产品要求: 1.牙纹倒角45度 2.90度直角不能有折痕 3.表面光洁,平整 4.表面锌层要求8-10um 针对第二点要求,模具需要修改,工艺需要调整,从原来的长...

Apr12 READ MORE

High-strength bolt-thread processing?

 Bolt threads are generally cold-worked, so that the thread blanks within a certain diameter range a...

Jan25 READ MORE

What are the specifications of the screws?

Screw specification model Example: 4 X 10 PW A H C (+) ① ② ③ ④ ⑤ ⑥ ⑦ ① Screw diameter ② Screw length...

Jan18 READ MORE

About frp hexagon flange bolts?

The utility model relates to the technical field of fasteners, more specifically an FRP hexagonal fl...

Jan11 READ MORE

About the new standard for screws?

In 1986, the country established a new standard for standard parts, commonly known as the new standa...

Jan04 READ MORE

Structural classification of screws?

species 1) Slotted ordinary screws Mostly used for the connection of smaller parts. It has pan head ...

Dec28 READ MORE

Standard specifications for screws?

Standards are norms, and each country and department has its own standards. GB—Chinese National Stan...

Dec21 READ MORE

Do you know the history of screws, screws, and screws?

The Greek mathematician Alkutas once described the principle of screws, screws, and screws. In the f...

Dec14 READ MORE

How much do you know about the detailed overview of screws?

Screw refers to a screw, which is a tool that uses the physics and mathematics principles of the obl...

Dec07 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