The registration address of hangzhou and chen zhang zhangzhou energy technology ltd. Is located in three six-storey 608 rooms of the zhejiang province's former hanzhou silo street, with the registration authority of the zhangzhou city market supervision authority for the zhangzhou zhang zhang district, with strong legal representation, including energy technology, vacuum equipment technology development, technical advice, transfer of technology results; manufacture of: jet vacuum acquisition equipment, petrochemical equipment, metallurgical equipment, environmental protection equipment, gas recovery purification equipment; sale of jet vacuum acquisition equipment, general vacuum application equipment, petrochemical equipment, metallurgy equipment, environmental equipment, environmental protection equipment, gas recovery equipment, environmental equipment, environmental equipment, gas recovery equipment, gas recovery equipment, gas recovery equipment and accessories; installation of technical services; import and export of goods and technology (with the exception of projects prohibited by law, administrative regulations, projects restricted by law, administrative regulations, and equipment and accessories; services: air vacuum acquisition equipment, general vacuum application equipment, petrochemical equipment, metallurgical equipment, gas recovery equipment, valves, equipment and accessories, design of control systems and accessories (projects subject to legal approval may not operate without the approval of the relevant department)