Double Tree Industry Enterprise received ISO9001:2000 certificate issued by LLOYD’S of the UK.Our quality policy is precision,clearness,continuous improvement and customer satisfaction.Also we can supply other third party inspection like SGS,CCIC,BV,Intertek as per buyer’s require for assure our qualify cargo.

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Double Tree Industry Enterprise base on its own production plant and chemical labe,we can assure to supply you stable qualify chemical with competitive price to won your market.