BRAND: BHE (since 2016) formerly known as the internal combustion engine accessories factory, and later transformed into Hebei Shuanglong company. Its main products include seals, gears, ring gears,...
BRAND: With a history of more than 20 years, NXM is always focus on the manufacture of rocker arm,tappet,tappet roller, push rod, piston pin, valve seat and varieties of high strengthed bolts and...