北京市西郊农场上庄气门厂是生产内燃机进排气门的专业厂。这个厂继去年晋升为市级先进单位后,今年狠抓产品质量,面对竞争激烈的汽车配件市场,敢向潮头挂风帆,在原有的北京内燃机总厂、大连柴油机厂等几家配套主机厂的基础上,今年又开发了唐山发动机厂、宁波发动机厂等十几家配套单位,使市场不断扩 Beijing Xijiao Farm Shangzhuang Valve Plant is a professional manufacturer of internal combustion engine intake and exhaust valves. After upgrading to a municipal-level advanced unit last year, this plant pays close attention to product quality this year. Facing the fiercely competitive auto parts market, it dares to hang its head on the tide, and it has several matching hosts in the original Beijing Internal Combustion Engine Plant and Dalian Diesel Engine Plant. On the basis of the plant, this year, more than ten supporting units such as Tangshan Engine Plant and Ningbo Engine Plant have been developed, and the market has continued to expand.