YingBo Aerosol Valve (ZhongShan) Co., Ltd. is set up by a team of technical specialists who are all seasoned professionals in the aerosol industry. Located in Zhongshan city which is only 1.5 hour ferry from HK, we can supply the best valves to meet all your needs with our advanced machinery, quality production and professional customer service. -- We have more than 20 years of expert technical experience. -- Our Production Quality Control is under ISO QC system.