Established in 1996,Zibo HaiDing chemical plant is a manufacturer specialized in the product and research .We are located in Zibo city Shandong Province with convenient transportation access ,All of our products comply with internation quality standards and are greatly appreciated in a variety of different markets throughout the world. Main product: Iron Sucrose 3-(methylamino)-propionitrile Mecobalamine N-Methylformanilide rapamycin Lincomycin hcl 3-Ethoxypropionitrile 3-Methoxypropionitrile vitamin B12 (cyanocobalamin)