Before delivery, TYT pre galvanised steel tube has to go through final random inspections. This aims to ensure that it is consistent and compliant with different countries' certifications such as CE, EU, CCC, and BEAB. 0.02ml filling high precision is one of the great performance of our machine
Before delivery to the factory, TYT pre galvanised steel tube must be strictly tested for measurement, color, cracks, thickness, integrity, porosity, and polish degree. Our film has good flexibility, the effective isolation of various substances and rapid dissolution of water
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The design of TYT pre galvanised steel tube shows advancement and professionalism. Its design has taken mechanical functions, efficiency, materials, and energy factors into account. Until now, we have developed 6 formula systems of PVA film with over 20 models of PVA film
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TYT pre galvanised steel tube goes through numerous lab tests before mass production, such as dimensional stability at elevated temperature, bridge deformation and lens retention, lens size, thickness and curvature, etc. Our products have passed ISO9001 quality management system certificate
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TYT pre galvanised steel tube is produced based on high safety standards. Its electric parts, including electrical resistor, rheostat, mutual inductor, and disconnector all have passed relevant safety and electric tests. The film Ployva produces enjoys excellent compatibility with liquid detergents
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The metal ingredients of TYT pre galvanised steel tube are under strict control. Lead, mercury, and cadmium in the battery cells are tested to rigorously to meet the mandatory standards put forward by the State Environmental Protection Administration. Water soluble film can also be tested and verified by professional authority
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The quality of this product is conducted by the QC team ensure its flawlessness and long service life. For now, Polyva has applied for 9 invention patents including 5 utility patents