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As the market competition is fierce, quality, cost and service become the core of winning, so we strictly manage and carefully operate to produce quality Rubber/resin curing agent, DBDPO, PERKALINK 300, TBPB. With wide experience and expertise, Richem International is specialized in supplying quality and effective TBC. As one of the leading manufacturers and suppliers in China, we are equipped with a professional and productive TBC factory. Please rest assured to buy.