GYC-JQ электромагнитный клапан перепада давления вакуумный насос Антивозвратный масляный ремень

GEOWELL VACUUM CO.,LTD. is a HI-TECH enterprise in China dedicating in manufacturing, research anddevelopment, marketing of oil free scroll vacuum pumps and vacuum compressors since 2002. GEOWELL has been providing users and partners with premium quality products that are efficient and dependable, GEOWELL believe the integration of high performance and high reliability product and service will bring the highest value to both our customers and ourselves.