Ningbo TongNa Machinery Technology limited company Specialized in producing high strength standard and non-standard parts for automobiles and motor- cycles, wheel nuts, plastic wheel nuts and cap, mini-cars and automotive accessories etc.
The products contain Inside hexagonal bolt, Outside hexagonal bolt, flange bolt, compounded bolt, hexagonal nuts, nuts with flange, square nuts, wheel nuts, nylon insert lock nuts and punch press article etc. For instance, our plant have introduced 10 advanced cold heading forming machines that are specialized in producing wheel cap of mini-cars and saloon cars, and finished products are around 30,000 pcs in one day.
Our bolts include DIN6921,DIN931, DIN933,DIN601, DIN558,DIN603, etc;
nuts include DIN74361, DIN6923,DIN934, DIN985, DIN928, DIN929, DIN1587, etc.
Main grade 4.8, 8.8 and up. Surface varieties: original, black, zincification, galvanizing, nickel, chrome,dacromet, zinc plate trivalent plus, etc.
We are sincerely welcome all friends from domestic and abroad to negotiate business .
FengHua City General Standard Components Factory
Sales Contact: Tiffany
Address: FengHua East subturb Development Zone ,No.398 East Zhongshan RD.,FengHua,ZheJiang,China.