Since 2006, Shanghai Wan Hui Machinery Company Ltd. (WHM) has worked as an OEM supplier for some international companies. We have manufactured control valve parts, pressure relief valve parts, swing check valve parts and different mechanical components. Through many years of cooperation with overseas clients, our understanding of the international standards gets greatly improved and we also benefit from it. The following OEM products are what we have handled. If you want to be a partner with an established and reliable organization, WHM can provide our quality assurance, engineering and consulting services for you.