本公司座落于东海之滨，环境优美，交通便利。公司专业生产内六角、梅花头等紧定螺钉（止付螺丝、钉丝）。产品标准有DIN、GB、ANSI、ISO、JIS。公司用进口的设备、进口的材料及模具。材料有不锈钢316.304.302.Scm435.35ACR及国产优质铜材。性能等级：不锈钢.45H.33H。规格M2.5-M16，长度不限，并承制高品质要求的非标。公司通过ISO9001认证。 　　因为我们专业、用心，所以令客户放心。我们相信，降低成本将能为我们的客户带来更大的竞争优势。“和客户一道成长”是我们的价值观念。 Our company is located at in the strand of East China Sea. The environment is beautiful and the traffic is convenient. We professionally produce holding screw such as hollow-head setscrew, wabbler, screw nail etc. The product standard contains DIN, GB, ANSI, ISO, JIS. Imported equipments, materials and matrixes are used in the company. The materials involve 304, 302, 316, Scm435, 35 ACRs and domestic high-quality copper material. Function grade: Stainless steel, 45 H, 33 H. Specification M2.5- M30, the length has no limit. We also make high quality product which is not standard. The company passed the authentication of ISO9001. 　　The customers can be rest assured because of our professional and wholehearted work. We are firmly convinced that cost decrease can bring more greater competition advantages to our dear customers. "Grow together with the clients" is our value concept. 　　Address: Luotuo Du Guo, Zhenhai, Ningbo 　　TEL ：0574-86533386 　　Fax：0574-86530047 　　Linkman: Jianjie Pan 　　M.T:(0)13806637796 　　Homepage:www.ndjd.com 　　E-mail:web@ndjd.com