Shandong Ronghua League Color Printing Co., Ltd, which has 24 years' developing history, insist the principal of ' Keep high level quality from our hearts,Treating our customer sincerely and honestly'. Winning your trust by our stable quality and credit. Quality control processing: 1.dealing before printing, artwork designing, checking of plates-making;2.checking of raw material and control of supplier;3.checking during production;4.checking of finished goods.

　　The raw material we used conform to food grade standard of our country tule, with the report approved by SGS.

　　Our company owns professional testing machine gas chromatogragh, pull testing machine, pendulum impact-test apparatus,pressure testing machine, sealing testing machine, high temperature pressure po.