Established in 1993 and located in chemical engineering area in Zhenhai, Ningbo, Ningbo Haili Chemical Industry Co., Ltd. is a Sino-foreign joint venture, covering an area of 80 acres with 120 staffs and over 30 technicians. It is specialized in production of aniline and nitrobenzene and has turned into a specialized enterprise in rubber antioxidant since new RD project in 2006.

Its main product is antioxidant RD with annual production capacity of 6000 ton by "one-step improvement" technique, which reaches international level and conforms to GB/T8826-2003 standard. It uses tablet machines from Shanghai Ruibao Tablet Machines Co., Ltd. and is packed by double-layer plastic bags. The company plans 15000-ton/annual production of antioxidant RD, 10000 ton/annual production of RT base and 5000 ton/annual production of 4020, making it as the important base for antioxidant.