主营范围

Manufacturing and sales of other instruments and meters; test instruments, glassware, measuring instruments, teaching instruments, surveying instruments, production and sales; environmental protection facilities, garden facilities, municipal facilities, fire fighting equipment, portable toilets, handrails, engineering plastic products, guardrails, machinery and equipment, building materials, mining machinery and equipment, safety supplies, waterproofing membrane products, hardware and electrical appliances, wire and cable, office supplies sales; rental of construction equipment, clamp-type scaffolding, climbing frames, safety ladders, mobile testing rooms, mobile maintenance rooms; installation and maintenance of test instruments and mechanical and electrical equipment**(General business operations, may independently carry on business operations in accordance with law; If there are business operations that require approval, please operate in accordance with relevant laws and regulations**)

Telephone：17303278787