Total Quality Management
At Don-Nan, quality means more than just complying with the API Spec. Q1 and API 11AX requirements. We believe quality is exceeding expectations, doing things right the first time, and anticipating customer needs. This ensures customer satisfaction is always the end result, because it is our first priority. This belief extends beyond manufacturing to all aspects of the business.

Quality control and inspection are priorities at Don-Nan. From raw material to finished products, all products are tracked, inspected and documented.Our gauges are tested and certified monthly, ensuring precise machining on all products.
Safety Excellence
Don-Nan is in the top rated category of "Safety Excellence" according to OSHA standards.

Based on our exemplary safety and health, we are a SHARP (Safety & Health Achievement Recognition Program) recipient, the highest safety award given at the state level.

Don-Nan has approved, written safety programs for all workplace scenarios with convenient employee access.

View our safety manual

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