我司所使用的螺纹规均来自于美国PMC及成量。塞规主要用于检验内螺纹折算中径和实际中径的专用综合量规，环规主要检测外螺纹折算中径和实测中径的综合量规，对于检测值有很高的要求，确保产品的合格率为100%。
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Precision
Randdh serves its global customer base from three strategically positioned manufacturing locations in the Singapore and China.
Quality
Randdh has design and manufactured innovative products for over five decades for world Mechanics manufacturers.
Value
The whole Randdh team is dedicated to providing world class customer service around the world and around the clock.
