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RE: Making A Simple Insect Repellent(Ultrasonic sound producer) Circuit At Home.
WEI HONG CHUANG Electronics Co., Ltd. (SOPSMT), which specializes in SMT machines and spare parts. SOPSMT has more than 10 years of experience in the electronics processing equipment industry. Customers all over the world, and win the trust and praise of customers. Long-term customers include BOSCH and FLEX in Spain and India, , Panasonic in Mexico, Samsung and Cliptechin Brazil.