We are Henan Dancheng Huanyu pet Supplies Factory,which located in middle of China.Huanyu pet factory is the largest manufacture in China.Our main products are knotted bone, expanded bone, twist,pressed bone,munchy stick, and pure meat chews,etc,size from 5cm to 100cm contain every weight.Our products have got HACCP Food Safety System and Iso9001:2008 Quality Management System certisfication,meanwhile,our goods have been registered successfully also U.S food and Drug Admistration (FDA) and BRC Certification.In the same time,we passed also SA-8000 audit and got also Walmart ethical sourcing annual audit.