Product Details

1 8.8 Grade carbon steel black screw bolt

2 The main products of the size

Diameter(mm)	M3	M4	M5	M6	M8	M10	M12	M14	M16
Length(mm)	6-50	6-60	8-80	8-180	10-200	16-250	16-250	25-300	25-300
Diameter(mm)	M18	M20	M22	M24	M27	M30	M36	M42
Length(mm)	30-300	40-300	40-300	45-300	45-300	50-300	50-300	60-300

3 Conventional packing

4 Production and testing process

5 Quality and Safety:

We have a very strict and complete quality control system, which promises that goods we produced are always of the best quality, the enough inspectors to ensure that each product can meet the quality requirements of customers. We do the final inspection in own factory with ISO 9001:2008.

6 Advantages

1) We produce parts by ourselves, which makes more competitive price and faster delivery;

2) We provide OEM/ODM service and submit various styles, latest designs to our clients;

3) We have many customers from Southeast Asia, Africa, Middle East, North America, and South America;

4) We have standard testing report from ISO, SGS and GMC;

5) We have great experience on provide high quality service to clients;

6) Welcome to visit our factory.

7 Location:

DUNHUI has a convenient location at the city’s exporting business zone, Dongli District. We are only 9 km to Tianjin International Airport, and very close to major highways,TIANJIN port. We look forward to work with your business!