Topsource co.,ltd is a professional resistance bands and tubes manufacturer. The company covers an area of more than 80,000 square meters with about 300 workers and 5workshops covering an area of 5,0000 square meters totally.
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Quality control system of one company determine their products quality largely. Topsource have a strict quality control system. There are strict inspection processes for raw materials, producing process, printing, assembly process and packing of each order.