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sahathai quality

Quality Control

Every product of STS is classified and marked before final inspection is performed, to ensure that all goods are free from defects. Pipes are then carefully securely packed and bound for storage, ready to be delivered to customers.

Quality Control


Product quality is what all of us at STS strictly believe in and adhere to. We are always active in implementing the latest, most advanced technologies in our production process.

Our Quality Control

1. Chemical Composition Analysis
2. Tensile Test
3. Impact Test

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