supplier list
- Vertellus Specialties UK Ltd. (formerly Seal Sands Chemicals Ltd.)
- Tel:800 223-0453 (Toll Free) 86-21-68597960
- Address: Room 23J, Pufa Tower 588 Pudong South Road, Pudong Shanghai 200120, China
- Boc Sciences
- Tel:1-631-5046093
- Address: 45-16 Ramsey Road, Shirley, NY 11967, USA