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 is the classification of hex bolts?

(1) According to the strength grade, there are ordinary hexagonal bolts and high-strength hexagonal ...

Mar08 READ MORE

What about studs?

Stud bolts are used to connect the fixed link function of the machine. The stud bolts have threads a...

Mar01 READ MORE

What is a hexagon socket head bolt?

The definition of the hexagon socket flat head screw refers to the socket head screw with a flat rou...

Feb22 READ MORE

Regarding the selection of raw materials?

In fastener manufacturing, the correct selection of fastener materials is an important part, because...

Feb18 READ MORE

What is the performance grade of the bolt?

The performance grades of bolts for steel structure connection are divided into more than 10 grades,...

Feb07 READ MORE

Process flow of high-strength bolts?

The process flow of high-strength bolt nickel-phosphorus plating consists of three parts: The first ...

Feb01 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
               

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