Hangzhou Chenlong industrial 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 1988. 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 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' specific requirements. Our annual output of spring washers is 6000 metric tons and flat washer 10000 tons. In addition, to further accommodate our customers, we also sell all kinds of fasteners such as bolts, nuts, screws as well as other kind of hardware accessories.

Chenlong always carries out product quality management seriously and manufactures according to GB/T19001, IDT and ISO9001: 2008 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.