Dongguan Shun Chi mechanical and Electrical Equipment Co. , Ltd. is refrigeration equipment production, refrigeration installation and technical services integrated enterprise. Our company was established in 2000. Since company;s inception, we have been continuously innovating and developing. Our aim is to grow into the world;s high-quality refrigeration equipment and accessories manufacturer in China.Our main business are: the wholesale of foreign and domestic compressors and spare parts.We are trying our best to provide users with high-quality products and excellent services.  saginomiya   expansion valve RCX-2434BHSA-RCX3134-DHSA external balance threaded welding expansion valve