Hangzhou Chenlong Industry Co., Ltd. (Chenlong) is located in the Yangtze River Delta, between Shanghai and Ningbo. We are close to the Hangzhou Xiaoshan International Airport as well as the Shanghai-Hangzhou-Ningbo Highway, the 104 National Highway and the Hangjinqu Highway, so transportation to and from our company to other major hubs is very convenient. Chenlong was founded in December, 1996.Was formerly Hangzhou Chenlong spring washer Co., Ltd.We utilize the latest spring washer production technology and equipment and scientific production management methods from Japan. Our leading products include international standard spring washers, such as GB93-76, GB93-87, GB859-87, GB9074.26-88 and GB7244-87 as well as ANSI, ASME, BS, DIN and JIS standard spring washers and various kinds of non-standard washers, such as wave washers, tooth-washers, double and multi-layer washers, railway washers and saddle shape washers. Moreover, we can also manufacture our products according to our customers&＃039; specific requirements. Our annual output of spring washers is 4, 500 metric tons. In addition, to further accommodate our customers, we also sell all kinds of fasteners and hardware stamping parts such as bolts, nuts, high strength fasteners, plain washers, and some other products such as metal materials, colored metal, hardware electrical equipments, electrical wires, cables. Chenlong always carries out product quality management seriously and manufactures according to GB/T19001, IDT and ISO9001:2000 international quality standards. We have established a quality assurance system and attained quality certification to guarantee high quality products. We always adhere to the quality policy of "always be serious to satisfy customers". Chenlong is devoted to production and development, perfect production quality and serving people to our utmost ability. We sincerely welcome customers to cooperate with us and establish long-term business relationships based on mutual benefits.