Zhoushan Haichen Sanitaryware Co.,Ltd founded in 1987, is one of the earliest manufactures engaging in R&D of toilet cistern mechanism in China. Now become an enterprise integranted in design, manufacturing, selling and trading for toilet tank fill valve, flush valve, tank lever, push button and accessories etc. All the procedures from product design, mould developing, precise injection mechanical processing, plating, to assembly, we operate in standard process, with strict quality supervision and control.