Yarn Dyeing Machine And Finish Guangzhou Dyedtech Machinery Co., Ltd specializes in design and manufacturing of dyeing equipment for yarn dyeing and fabric dyeing. With over 30 years of solid experience, Dyedtech is one of the leading and skilled suppliers in the world. Our aims are to design and manufacture top quality, advance and efficient textile machineries, and continuously research & develop innovated products, and comprehensive customer services global wide.
Package dyeing machines are the most widely used now a days for dyeing of almost all type of yarns ,due to economical ,automatic and accurate dyeing results.
China Yarn Dyeing Machines manufacturers - Select 2020 high quality Yarn Dyeing Machines products in best price from certified Chinese ...
In our factory we produce different machines for dyeing yarns in cones and hanks to meet the most diverse needs of our customers.
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As the LED lighting industry matures, the quality of LED lamps is gaining more and more attention, and the quality certification of various products has begun to heat up. The first hottest is the related quality certification of LED lamps, such as LED bulbs, LED tubes, LED downlights, LED spotlights, LED panel lights, LED high bay lights and LED tunnel lights; even LED drive power, and LED Some component certification. However, the standards for domestic and foreign certification are not allowed, and there are product certification and testing certification. China's certification generally includes 3C certification, CQC certification, energy conservation and environmental protection certification, while international certification generally includes CB certification and CE certification.
International certification mainly includes CB and CE certification. To apply for CB certification, it is necessary to note that the product must comply with the corresponding version of the IEC standard and CTL resolution requirements. The equipment or method requirements for product certification may be different in different countries or regions. If necessary, the national difference test should be supplemented. To apply for CE certification, it is necessary to note that the product must comply with the requirements of the European Union's LVD Directive, which includes EN safety standards, EMC standards and OSM resolution requirements.
China's compulsory product certification is mainly 3C certification. The precondition for certification is LED lamps with a power supply voltage higher than 36V and no more than 1000V. Special-purpose products are also not covered by CCC certification, such as LED street lights, LED floodlights, LED emergency lighting fixtures, LED panel lights, and LED corner lights embedded in wall mounts. Voluntary product certification is mainly CQC mark certification and energy conservation certification.
Today's consumers are pursuing cost-effective products, so in order to win the consumer's pedestrians, almost every company will do some authoritative certification. With the passage of time, the technology is stable, I believe that the quality of LED lighting will come. The better, the price will be lower and lower.