We are a professional manufacturer of pneumatic components in China. adopting the international davanced technique and machine equipment we have edveloped for series of products as following: air sourece units, penumatic control element, pneumatic execute element and pneumatic assistant element. we have passed ISO9001:2000 quality system authentication. at the advantage of high quality product and good serivce, we are developing actively the market of home and aborad and building a wide sales net and after-sale service system around the center of shanghai SONO and have set up STNC thailand sales center. now our products have been available all over the world.