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

Why won't the screw tighten?

1. The thickness of the fastened parts is greater than the thickness of the head of the countersunk ...

Jul01 READ MORE

What are the methods of fastener surface treatment?

Electroplating, hot dip galvanizing, and mechanical plating on the appearance of fasteners are the m...

Jun24 READ MORE

What are the applications of stud bolts?

Bolts refer to some screws with larger diameters, and may also have no heads, such as studs. The mos...

Jun18 READ MORE

What are the anti-loosening methods for external hexagon bolts? (1)

1. Mechanical anti-loosening Use cotter pins, stop washers and string wire ropes. The mechanical ant...

Jun11 READ MORE

What are the anti-loosening methods for external hexagon bolts? (1)

Why should hex bolts be loosened, is to make things better and longer and more useful. So, what are ...

Jun04 READ MORE

What are the applications of Double ended metal to wood screw dowel screws?

Bolts refer to some screws with larger diameters, and may also have no heads, such as studs. The mos...

May28 READ MORE

What should I pay attention to in the daily maintenance of fasteners? (2)

1. Alkali burn The high-strength screws turn black after quenching, and the outer surface is even an...

May20 READ MORE

What should I pay attention to in the daily maintenance of fasteners? (1)

Fasteners may have unnecessary effects if they are not maintained normally, but there are some thing...

May13 READ MORE

What is the difference between bolts, screws and studs?

1. The method of use is different: Bolts are widely used in detachable connections in mechanical man...

May08 READ MORE

What are bolts, screws and studs?

1. Bolt: Mechanical parts, with cylindrical threaded fasteners with nuts. A type of fastener consist...

Apr30 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