qingdao david chemical co., ltd. is one of the leading suppliers and exporters of flexi tank in china, and at the same time it is one of the titanium dioxide agents. from material selection, manufacturing to inspection, the processes of making flexi tanks are accord with iso9001:2000 completely and they are certificated by fda, sgs, coa and ec. based on advanced equipment, expert knowledge, excellent quality control management and several years’ experience of doing business with foreign customers, our produces earn good reputations in flexitank industry.

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