... Machinery Group is the parent company of Langfang Kunfeng Steel Co.,Ltd,established in 1954.Hope a nice cooperation with friends ... ensure Tin Thickness is average and accurate.Application of Tinplate: Mill can to pack tea, chemicals, food etc., battery, Crown ... cable, etc.Tinplate Production: 1. clamp machine to feed steel roll, 2. trimming machine, 3.welding machine, 4. entrance lopper, 5. degrease, ...