2, no matter what kind of raw materials used to make plastic bottles must first meet the requirements of non-toxic, no odor. Due to the wide variety of main raw materials available for selection, it is necessary to select the comprehensive properties of the raw materials. General tablet selection of high density polyethylene, polypropylene, such as the need for transparency can use polyester bottles (PET). If you need higher barrier properties, and light blocking, opaque, then use brown PET plastic bottles, liquid formulations of drugs generally use polypropylene or polyester bottles as the main raw material, the current domestic nutritional health food and food plastic bottles are mainly used PET Material or HDPE material, caps use PP material.
3. The quality standards of plastic bottles can be analyzed and judged from the quality standards of the manufacturer's products.
4. For the packaging of medicines, nutraceuticals, foods and beverages, absolutely no recycled materials can be used. The "Sanitary Management Measures for Plastic Products and Raw Materials for Foods" issued by the Ministry of Health has a clear stipulation: "Where the processing of plastic utensils, containers, Food packaging materials must not use recycled plastic bottles."
5. Quality assurance system. Auditing suppliers has become an indispensable part of purchasing plastic bottles. Through the audit, a comprehensive and correct assessment of the integrated level of the software and hardware facilities, technical equipment and quality of the production plant can be made.
The Drip Irrigation Bag is suitable for greening maintenance, long-distance transportation, and bonsai maintenance. It can effectively provide the water needed by trees, and avoid the embarrassment of pouring a basin of water in traditional watering methods but only absorbing a bowl of water.
If the garden is planted far away from the water source or in the hot summer, a lot of manpower is required for maintenance, which is not only time-consuming and labor-intensive, but also fails to achieve the desired effect, resulting in increased project costs. DOING Tree Bags for Watering completely solve these problem for you.
â— DOING Tree Watering Bags are made of high-quality PVC material, reliable, reusable, well-sealed, sturdy and waterproof, not easy to break or fade, can be used for a long time, and can be used with confidence in rainy or windy weather.
â— The Tree Hydration Bag are easy to use, no need to use other tools, you just need to place the bag around the plants, then fill the hose with water, when full of water, put on the cover, it will water automatically, saving you time and energy.
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