Hangzhou Sida Machinery & Technology Co., Ltd. is a professional factory specialized in metal stamping parts and welding parts; 80% of our staffs have more than 15 years experience in metal sheet part industry. All the stamping toolings and welding fixtures are designed and manufactured in house; We
Changsha Baisi New Energy Co., Limited has more than 10 years of OEM experience in manufacturing advanced lithium-ion batteries, which featured as high power and energy density, long lifespan and ultra-safe performance. For quality control we deployed fully automatic PDMS (Product Data Monitoring