龙正塑料五金制品厂为制造尼龙脚轮的专业厂商, 位于广东省中山市，紧临中山港，交通便利．公司创建于１９７６年，占地面积１３５０００平方米，厂房面积８０００平方米，生产技术力量雄厚，尼龙脚轮年产量５千万只．
    　　本公司自创厂迄今，一直坚守，＂品质，客户，服务＂为宗旨，落实健全管理品质体系，促进广大客户群对产品品质的肯定，本厂生产的尼龙脚轮系列产品，继获认证后，尼龙脚轮质达到美国ＡＮＳＩ／ＢＩＦＭＸ５．１标准，并以制作工艺品精神，生产质量高标准，介格合理的产品．行销遍及美国，日本，加拿大，欧洲．．．等国家地区．
    
    
    
    
    
     Long Zheng Plastic & Hardware Co., Ltd. is a professional manufacturer specialized in producing nylon twin wheel caster. Our factory established in 1976 is located in Zhongshan city, Guangdong province, adjacent to Zhongshan Port, taking up 13,500 square meter of land, having 8,000 square meter workshop. We also have convenient traffic and rich technical force of production, so that our annual production of nylon twin wheel caster is to 36 million.
    
    
    
Insisting on the concept of "Quality, customer, service is the first" after establishment so far, we implement the quality management system. The nylon twin wheel caster we produced have obtained favorable comment and SGS authentication, reached American ANSI/BIFMX.5.1 standard, had good sale in U.S.A., Japan, Canada, Europe and so on due to their outstanding making craft, high quality and rational price.