Shanghai Howell Petroleum Additives Co., Ltd. is based in China and lists petroleum additive packages on Global Trade Plaza. The company, established in 2004, offers products such as Anti-Wear Hydraulic Oil Additive Package T5126, Gear Oil Additive Package T4216, EP Antiwear Additive T321A, SL/CI-4 Engine Oil Additive Package T3269, Ashless Hydraulic Oil Additive Package, and API SN PCMO Engine Oil Additive Package. These additives are formulated for use in hydraulic fluids, gear oils, engine oils, and lubricant formulations with specific dosage ranges and performance characteristics as stated in their respective descriptions. Buyers can send an enquiry through Global Trade Plaza.