Qingdao David Chemical Co., Ltd. is one of the leading suppliers and exporters of flexi tank in China,Since established , we have always been persisting in the concept that the development of enterprises, and contribute to our country, returns to shareholders, social services, benefiting employees, respect and safeguard the rights of stakeholders. 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, quality control management and several years’ experience of doing business with foreign customers, our produces earn good reputations in flexitank industry. They have been warmly welcomed in the markets all over the world and have been exported to the USA, Japan, Europe, the Middle East, and Africa for many years. And at the same time, we have established long-term business relationships with several companys