Standards followed during portable water filter production can be categorized into four major types. The first is fundamental standards. They concern terminology, conventions, signs and symbols, etc. Next is test methods and analysis standards, which measure characteristics such as chemical composition. The third is the specification standards. They define the attributes of the product and its performance thresholds, such as suitability, health & safety, environmental protection, etc. And the last one is organization standards, which describe elements such as quality management and assurance, production management, etc.

Located in China, Yongkang Kapu Houseware Co., Ltd has been recognized as a competent manufacturer of water filter straw. We are also becoming an international-oriented company. water filter bag is the main product of Purewell. It is diverse in variety. Purewell water filter bottle is created in a professional way. Conducted by exceptional interior designers, the design, including elements of shapes, color mix, and style is done in line with the market trends. The product has been granted CE certification. Purewell has high market competitiveness with top-quality water filter bag, best price and considerate after-sales service. The product has been granted CE certification.

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