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Debate over whether should schools use air purifiers
With the repeat occurrence of smog in China, many parents call for installation of air purifiers in classrooms. Some parents even offered to pay for the purifiers. However it is refused by school authorities. It has caused hot debate over whether air purifiers should enter schools.
Experts say air…Continue
Olansi Healthcare Co., Ltd (Olansi Healthcare Co., Ltd, Guangzhou Olans Water Treatment Equipments Co., Ltd, and Guangzhou Zenfly Environmental Protection Equipment Co.,Ltd these three factory all belongs to our President Mr. Peng Wei) is a professional manufacturer of hydrogen water bottle,…Continue