RUIAN DELONG AUTO PARTS CO., LTD.was founded in 1985, specialized in manufacturing of water temperature sensor, thermo switch, oil pressure switch, hazard light switch, ASM-FRT OB alarm sensor and other hundred kinds of automo bile screws. ã??ã??We have advanced production equipments and a complete set of quality checking ***** administration idea has been rooted in every link of enterprise, with professionalization and ***** products have been in great demand not only in home market but also in Europe, Middle East and South America, etc. ã??ã??We will do our best to providing the most valuable products and service, and we will insist on the idea of â??To be honesty, To be developmentâ??forever.