Is the workshop production of Tangshan Yuhong Waterproof Material Factory harmful to workers?

No harm. The materials produced by waterproof material factory are tasteless, simple in construction and environmentally friendly. Waterproof coating is a new multifunctional polymer material. Tangshan Dongfang Yuhong Waterproof Technology Co., Ltd. is a wholly-owned subsidiary established by Beijing Dongfang Yuhong Waterproof Technology Co., Ltd., which is an important production base radiating the North China market.