Zhejiang Yongda Stainless Steel Manufacture Co., Ltd. was established in 1997. We are a professional manufacturer of stainless steel pressure cooker with our own design and development team. We belong to Zhaolong Group who has cumulated total assets of 2 billion USD. We have been certified as Zhejiang Provincial High-Tech Enterprise in 2008. We have 21 product series with more than 100 single products in bayonet, clamp and screw down system. We have most advanced 1600 ton electric screw press and 1000 ton friction screw press machines. We have CE/GS, UL, SG and KS certificates and 47 patents. We had been certified as ISO9001:2008 and ISO14000 enterprise.