We are Baotou Dongbao Bio-tech Co., Ltd. Our factory collagen is type â… could be used for producing collagen peptide nutrition supplement. We could service for ODM of collagen powder with high quality raw material, award-winning packaging design, and con
The aluminum-plastic composite pipe is made of a welded aluminum pipe as an intermediate layer, a polyethylene plastic as an inner and outer layer, and each layer is bonded by hot melt adhesive.