Ningbo Yinzhou Xinghua Metal Products Factory, which is one of top leading manufacturers in China, was established in 1992. Nowadays we have developed products in 20 series and 300 varieties, including valves, repair tools, wheel parts and accessories. Zinc alloy valve is our patent product. Besides, we have passed TUV quality certification and ISO9001:2000 certification. We own advanced automatic high and low pressure leak testing machines, ozone-resistant testing machines, high and low temperature ageing-resistant testing machines and other related machines for highly efficient management and best quality.

Ever month we can produce:
Bicycle tube valve (like TR1) 5 million/month
Motorcycle tube valve (like TR4) 5 million/month1ff8
Truck tube valve (like TR78A) 2 million/month
Snap-in valve (like TR414) 5 million/month
Balance wheel weight (Fe, Zn, Lead) 500 tons/month [Details]