BTC industry implements ink&toner regeneration related equipment and a total service of a computer supplies. It is designs an office automation system and operating production, distribution, sales, maintenance and A/S to the customer center and BTC manufactures a product directly and supplies promptness with the highest quality and the cheapest price, and only a thorough customer of A/S 100% is a company aiming at a foot. Also btc is selling to manufactures a regeneration ink regeneration toner with regeneration directly. It is want to do a company starting a business of an ink charge room that supplies a necessary automatic filing machine and a regeneration related machine with ink charge and manufactures filing machine materials and ledger materials almost directly to supply each agent and agent enterprise. And BTC supplies high-quality Bulk ink & Bulk toner power and domestic-compatible ink and high-quality laser powder, only a customer is the company which does its best a foot.