Shenzhen Okey circuit Co., Ltd., is a professional engaged in high-density multi-layers printed board, special PCB, samples, small and medium batch manufacturing enterprises.

HeFei Siko Instruments Co, . Ltd. Is a high-tech enterprise commit into research and development, manufacture of flow instruments, level instruments, pressure instruments, temperature instruments. Located at HeFei City, China, we have full access to gain the most advanced technology in field. All these make us full of confidence to provide products with international standard. At present, we are mainly dealing in gear flow meter electromagnetic flow meters, vortex flow meters, turbine flow meters, ultrasonic flow meters, level sensors, pressure sensors, temperature sensors etc. We are Original Equipment manufacturer of flow meters with well-equipped testing facilities and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in water supply and drainage, chemical, power supply, metallurgical mine, oil and other industries.