Handan Daduo carriage bolt factory is a professional manufacturer of carriage bolt ( cup head square neck bolt ).Established in the year 2006 covers an area 10000 suare meter. Poesses fixed assets of 5 million RMB, owns more than 30 sets of machines, more than 50 workers, 10 high educated technicans. Production capacity has reached more than 10000 tons annually. We are the biggest carriage bolts factory in Handan city and in Hebei province.The productions we made all cover the standards of ISO ,BSW, GB, ANSI and grade of 4.8,5.8 and 8.8 . Mainly sold to domestic market and seas ,such as Europe,Asia,USA,Malaysia,Thailand etc.The core culture in our factory is "Human - Oriented ". With the mode of strict production standard, we have better quality and reasonable price ,considerate service and integriity win-win. We sincerly welcome all the customers domestic or international for trade relations and technological communication cooperation.