Shandong Apxin Automation Instrument Co., Ltd., manufacturer of the apx301 fork density meter. We develop, design, produce, and sell fork density concentration meters, 26G pulse radar level gauges, guided wave radar level gauges, single and dual liquid level as well as multi-temperature point magnetostrictive level gauges, capacitive level gauges, and a full range of fork level switches. From customer requirements to development and design, PCB design, component selection and procurement, component assembly and soldering, assembly and debugging, aging and packaging, and sales, everything is done in-house. Therefore, we have a technical team that is well-versed in our products and has a deep understanding of operating conditions, enabling us to provide professional and comprehensive technical services. We offer on-site instrument condition inspections. Free video guidance available.