We are Puyang Hongyu Pressure vessels Co., Ltd .Our company is situated in the North Plain of Henan Province, where Puyang City, the cradle of first Chinese Dragon, national model city of social development, Sanitary City and Tourism City. Our company, formerly Nanle County Machinery Plant, was established in 1953. We mainly focus on the technological development, manufacturing and sales of ZJ-019 series air cannon, ST series bunker dredging machine, ZD series bunker vibrator and other bunker dredging equipments which are applied specially in the fields of coal, coking, electricity and cement. Since 1985, the company has began to develop and manufacture ZJ-019 series air cannon, and it has acquired the manufacturing qualification of Class I and Class II Pressure Vessel, ISO 90041 Quality Management System Certificate, Explosion-proof Certificate and 12 Patent Certificates concerning bunker dredging equipments.
