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 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

Why are some screws tightened when they are loosened?

I wonder if you have encountered such a situation? When we try to loosen a screw, sometimes we encou...

Jul15 READ MORE

What should I do with the hexagon socket screws?

First check if the nut is leaking. You can use a diamond wrench to pull out the two surfaces of the ...

Jul08 READ MORE

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
               

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