Hydrogenated Rosin, Polymerized Rosin, Phenolic Resin manufacturer / supplier in China, offering Methyl 6-Bromohexanoate CAS 14273-90-6 for Organic Synthesis, 6-Bromohexanoic Acid CAS 4224-70-8 for Organic Synthesis, 5-Bromopentyl Acetate CAS 15848-22-3 for Organic Synthesis and so on.