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Shenzhen Tianyan electronic co., LTD is the member units in China Education Equipment Industry Association, and the only quality supervision enterprises in China Education Institute in similar products. It specialized in the design, development, manufacture and sales of electronic products. Our company has certificated ISO9000-2008 quality management system and ISO14001 - 2004 environmental management system, etc. We now have sereval production lines, can undertake various of external OEM & ODM calculator processing, and other electronic products processing. "Integrity, pragmatic, innovation, service education" is our philosophy, also is our goal. We are looking forward to cooperating with you!

1. who are we?
We are based in Guangdong, China, start from 2001,sell to Domestic Market(55.00%),Southeast Asia(35.00%),Northern Europe(7.00%),Africa(2.00%),North America(1.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Graphing Calculator, Scientific Calculator

4. why should you buy from us not from other suppliers?
1.We have 20 years of design and development experience; 2.OEM/ ODM; 3.We has certificated ISO9000-2008 quality management system and ISO14001 - 2004 environmental management system, etc. 4.We can make about 30000 pieces every day; 5. Best severices

5. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW,DDP,Express Delivery；
Accepted Payment Currency:USD,EUR,HKD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Japanese,Korean