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The quality of Tengfei cotton sleep bras is verified. It is tested in terms of specifications, functions, and safety with relevant standards such as EN 581, EN1728, and EN22520. Rayson products are manufactured by Rayson advanced equipment to ensure quality

Tengfei 100 cotton seamless underwear is manufactured with the integration of various aspects. It is built with an energy flow system (EFC), information flow system, mechanical structure system, and mechanical motion system. The materials for making the non woven fabric are non-toxic

The necessary inspections of Tengfei 100 cotton seamless underwear have been conducted. These inspections include moisture content, dimension stability, static loading, colors, and texture. With 9 production lines, the output of Rayson products is up to 2000 tons per month

Combining traditional crafts with a constantly changing collection of designs, a variety of Tengfei cotton sleep bras styles are available for customers to choose from. Rayson non woven fabric are produced by fresh raw materials imported from Exxon, Basell companies and other famous suppliers

The materials of Tengfei 100 cotton seamless underwear have passed various kinds of tests. These tests are fire resistance testing, mechanical testing, formaldehyde content testing, and stability & strength testing. Rayson products can be fully incinerated without any emission of poisonous pollutant

Tengfei Technology Co., Ltd. There are professional raw material procurement agency partners who can purchase the required raw materials efficiently and at low prices to ensure the quality of raw materials, in addition to reasonable arrangements for the production process, improve the utilization rate of equipment, and use materials, Improvement of operating procedures, production conditions, etc., increase labor productivity, reduce labor consumption per unit of product, and at the same time establish the concept of "improving quality and reducing cost", reducing waste loss, product after-sales maintenance costs and other intangible losses, through various channels and methods Carry out scientific and standardized control of costs, reasonably save costs, reduce product market prices, and improve product cost performance under the premise of ensuring 100 cotton seamless underwear quality remains unchanged.