Compatible RA/RC B4 MASTER for use in RA300/500/4900/5800/5900 RC33/55/300/500/4000/4200

      Xiamen O-Atronic Computer Material Co.,Ltd. Is a patented technology, the specialty is engaged in the research, development, production and marketing office supplies national key high-tech enterprises.Xiamen xin huaxing electronics co., LTD., founded in 1996, investment of stationery company, which owns version paper factory, printing ink factory, drum unit, ink cartridges factory and so on four manufacturing plants.Xiamen xin huaxing except stationery system under with xin huaxing (Hong Kong) electronics co., LTD., xiamen PMP communication equipment co., LTD., and xiamen bay southeast of investment co., LTD. Development of construction projects such as building materials logistics park in xiamen.

    As the mainstay of the global thermosensitive version paper industry, the company in the printing ink, printer cartridges, copy and laser printer toner, drums and other office supplies products have a number of patents, the company's business involves printing, computer supplies, office equipment and supplies, electronics, communication, building materials, real estate, seven large range, sales throughout the country and more than 50 countries and regions around the world.

1. Any inquiry must be replied within 24 hours
2. Best customer service and technical support
3. Free sample for testing
4. Various kind of payment terms accepted
5. Safe and prompt delivery: courier, airway, seaway for your choice.
6. We guarantee for 100% replacement or refund if any detective goods by our fault

Brief description of OAT
1. We are a large factory on producing ink , master and toner cartridge.
2. Specialized in this field for more than 20 years.
3. Our R&D close to OEM or exceed OEM Performance;
4. Japan raw material or same as OEM material
5. Professional QC and Environmental Testing Chamber
6. Automatic production line to keep stable quality
7. Well trained sales team;
8. Fast solution to customer complaints
9. ISO 9001:2008 Standard , ISO14001:2004 Standard
10. Direct factory price & high quality product.
Strictly Quality Control:
1. Incoming Material Quality Control
Each component requires strict testing to ensure the perfect matching.
2. Production online Quality Control
Insure each of our product is 100% tested before down of the production line
3. Final Quality Control
4. Outgoing Quality Control
All products are pre-tested before leaving factory