TYH quality control procedures are constantly updated and managed in accordance with the applicable requirements of international standards. In order to produce and provide precision and high quality products to each customer, there are various types of high accuracy measuring devices installed in TYH's inspection laboratory such as a tensile tester, a vacuum leakage tester, a torsion tester, and others.

TYH insists on attaching great importance to each of the manufacturing sectors. From raw materials, semi-finished products, all the way to finished products, a thorough test and inspection is applied to each component during different production processes.

The prime directive of TYH's organization is always to maintain a high level of customer satisfaction through continuous assurance and improvements in cosmetic packaging products by developing, documenting, and maintaining a comprehensive quality management program.

Altimeter

To measure the bottle neck height to ensure a perfect fit to the sprayer or pump. Different measuring of critical dimensions including depth, height and etc.

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Vernier Caliper

To measure precisely both the inner and outer diameter, width, length and depth of all kinds of containers.

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Feeler Gauge & Ruler

To ensure the gap width is in accordance with product design specifications and standards.

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Tensile Tester

To measure the precise force required to twist open a cap, component and pull-out strength of various assembly components.

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Vacuum Leakage Tester

To detect whether there is a leak in the containers as well as to conduct the heat resistance test measuring the thermal endurance of plastic materials.

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Torsion Tester

To precisely measure the torsion force on opening and closing a screw cap sealing on the bottle.

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Magnifier

To inspect the plastic containers for any issues related to its clarity and perfection.

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Electronic Scales

To precisely measure the weight of components and finished products to 0.01 gram.