Lin?an E-COOL Refrigeration Equipment Co,.Ltd.(E-COOL Manufacturing Co,. Limited), specializing in the production R11 R12 R134A R141B R412B R22 R290A R401A R402B R404A R406A R407C R410A R415B R417C R502 R507 R600A ECT ,besides we have welding tools for ...

Weifang Century Delong Chemical Co.,Ltd., is one of the leading manufacturers and sellers in chemical fields Shandong Province, China. It was established 2000 covers an area 100,000 square metres with total assets more than 40 million *s.Our main products ...

Manufacturer iso-pentane, n-pentane, iso-butane benzene, solvent oil and other chemicals. Supplier of CNPC SINOPEC, which are the world\'s top 500.we a professional butane, hexane, benzene & solvents producer, company located in shandong province, ...