Hefei Ovi Electronic Technology Co., Ltd. ee kɔc ye teknoloji ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc A cɔl coal quality analysis instruments, a cɔl coal sampling, laboratory configuration, and technical support. Our company research and development production thermometer, sulfometer, industrial analysis instruments, coal extraction sample equipment, calcium iron analyzer, carbon hydrogen determiner and other products have been widely used in the country's coal, chemical industry, electricity, metallurgy, environmental protection, geological exploration and other industries as well as professional colleges, technical supervision departments' laboratories. Our company research and development production thermometer, sulfometer, industrial analysis instruments, coal extraction sample equipment, calcium iron analyzer, carbon hydrogen determiner and other products have been widely used in the country's coal, chemical industry, electricity, metallurgy, environmental protection, geological explora An bɛ teknoloji kuraw looi, an tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n Në ye mɛn, an ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ̈n ye kɛ