During the production of Douai , the defective percentage is strictly under control. Quality is guaranteed by rigorous control and monitor of each production process to meet the quality standards required in the electronics industry. With appealing color and design, it can help seize attention
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Douai is produced in a dust-free and bacteria-free workshop in which the temperature and humidity are strictly controlled and monitored, so as to ensure its high quality. It is anti-microbial and prevents the growth of bacteria
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Douai adopts both manual soldering and mechanical soldering in the production. Combining these two soldering methods greatly contributes to reducing the defective rate. It has good resistance to rupture when subjected to various stresses
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Douai is developed by adopting the most advanced integrated circuits technology. The R&D team makes the transistor, resistor, capacitor, and other components gather together to achieve a compact design. Being soft to use, it protects the teeth enamel from damaging especially in the case of kids
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Douai has passed the anti-static and electro-static discharge tests required in the electronics industry. The product has high sensitivity to ESD, protecting people from the harm of discharged electric. It is fully biodegradable, so it does not pose an environmental risk
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It is refined from high-quality plant fibers, and has good wear resistance, crack resistance and bending resistance in the washed state.