Dongguan AiLi Electrical & Mechanical Equipment Co., Ltd is a professional supplier in Dongguan city, China. We are the authorized agent of Bosch (China) Investment Ltd, promise to offer original and genuine Bosch parts only. Meanwhile, we are also the legal agent of Hengst Filter Systems (Kunshan) Co., Ltd., MS Motor Service Asia Pacific Co., Ltd. That means we can serve you with actually true and high quality filters, pistons, piston pins, cylinder liners, valves etc. All original parts are used widely on Volvo, Weichai Power, Mitsubishi, Caterpillar, DELCO REMY, Cummins, Denso, PRESTOLITE, MAN, ISKRA, SHAANXI etc.