Beijing ALuoWeiEr Science and Technology Development Co., Ltd. is located seven kilometers south of Beijing Science and Technology Development Zone, Daxing District - Aoyu British Nest Building. We are an industry and trade integrated enterprise, mainly engaged in the import and export business of various commodities, development of valve parts, brand promotion and agency services. Main products: valves, mechanical parts, carbon steel, alloy steel parts, castings, forgings, etc. Products ...