DONGGUAN YUYANG INSTRUMENT CO.,LTD
China Good Quality Manufacturer of Testing Equipment
Most of our products conform standards of GB, ASTM, ISO, DIN and other relevant international testing standards.
Each test equipment will be double check before shipment, we will make sure that our test equipment can pass every third party calibration.
Contact Person: Mr. Jackson Sun
Tel: +86-13825722581
Fax: 86-769-26622869