Fenghua Zhongli Seals Co.,Ltd specializes in producing mechanical seals. We manufacture almost all types of Mechanical including single, double, internally mounted, externally single spring, multiple rubber bellow, metal balanced, unbalanced and cartridge Our seals are equivalent to John Crane, Burgmann, Chesterton, ...

YUEQING BETRE AUTOMATION CO.,LTD. has been the professional manufacturer & exporter in field of spare parts(especially Pneumatic products) for automation machines 13 years.Our main products are pneumatic and components, which is including cylinder, Hydraulic Solenoid valve, Air source treatment, fitting, Vacuum ...