hengxinfeng special-glass co. ltd. is a hi-tech company who is engaged in the research, manufacture and marketing of special glass. it is a state honored hi-tech corporation and an implementer of china's torch program project. it is also a member of chinese security and safeguard association.

yikun sports is based in ningbo, china and is a specialized supplier for disc sports. the company is dedicated to supporting the development of disc sports by providing professional products and services: 1. the 175g ultiprotm ultimate discs – standard weight and size ultimate disc. 2. the 135g t...