SanDa Machinery Group Co.,Ltd. is a professional manufacturing company since 2000. Our products is including: welding mask ,MIG welder,MMA ARC welder,electric torque wrench, pneumatic torque wrench, etc.for more than 10years. We are proud to say that we are one of the main supplier of Pneumatic tools to Russia for all these years, Our products are very popular in Europe, USA, South-America.