Tell me about indoor air testing, Tongling, Anhui, which is the most professional?

Anhui Tongling Guang 'an Environmental Inspection and Treatment Engineering Co., Ltd. adheres to the development idea of specialization and scale, adheres to the business philosophy of "professionalism creates quality, and quality wins trust", takes "creating fine products in the industry and creating national brands" as its ambition, takes "upgrading connotation and extending development" as its strategic policy, and provides reliable products for domestic and foreign users with high-quality products, preferential prices and first-class services, so as to build a "Kangshiju" with rapid development. Address: No.485, North Section of Huaihe Avenue, Tongguanshan District

Anhui Tongling Dingrun Environmental Protection Technology Co., Ltd. was handled by them before. I am a professional interior decorator. At that time, harmful gases were detected to exceed the standard, which was quite heavy. After their treatment, the effect is really obvious and the after-sales service is good. Address: No.785, Kong Ling Road, Kailong Avenue, Tongling