HTD has obtained the ISO9001 certificate in 2005, and has obtained the RoHS certificate in 2006. HTD will always utilize the advanced equipment and quality control processes to provide qualified products and services to our customers:

· Satisfy lead time;

· Quality & specifications fit for customer’s purpose;

· Quality & specifications consistency and improving the service continuously;

· Continuous effort in product performing improvement , R&D new products and quality management.

In order to maintain product performance and stability, and to achieve the level of the industrial standard, we execute incoming quality control, in-process quality control, and outgoing quality as the core processes of our quality system.

1. Incoming quality control:

· Inspection of all incoming direct and indirect materials;

· Adopt MIL-STD-105E sampling plan for incoming material inspections;

· Conduct sampling plan based on historical quality records;

· On-site audits of all suppliers.

2. In-process quality control:

· Real time process control for defective distribution;

· Statistical process for control defective rates ;

· Unscheduled production line audit for continuous improvement.

3. Outgoing quality Control:

· Adopt MIL-STD-105E sampling plan to audit finished good products to ensure quality level up to specification;

· Conduct system audit based upon production flow chart;

· Storage database for all finished good products.

4. Machinery & Testing Equipment

Network Analyzer		High and low Temperature chamber
magnetizer		Salty mist erosion experiment Chamber
CNC		Production Workshop