I Ching Chemical Co., Ltd. is a specialized manufacturer of Naphthalene Mothball, PDCB Ball, Natural Camphor Tablet in Tainan of Taiwan. With 42 years professional experience, superior quality and reasonable price are satisfied with the clients around the world. ISO 9001 certified our good service on delivery time. I Ching Chemical Co., Ltd. is your best choice for Quality, Innovation and Concern.