Shanghai Jin Keo Electronics Co., Ltd. ye piyo piyo, atmospheric pressure gauge, wind pressure gauge, micropressure gauge, negative ion detector, wind speed wind direction gauge, dust gauge, etc. ye ɣaac në ɣaac de kɔc ye ɣaac në ɣaac de kɔc ye ɣaac në ɣaac de kɔc ye ɣaac në ɣaac de kɔc ye ɣaac në ɣaac de kɔc ye ɣaac në ɣaac de kɔc ye ɣaac në ɣaac de kɔc ye ɣaac në ɣaac de kɔc. Shanghai Jin Keo Electronics Co., Ltd. ye Pito Tube, Atmospheric Pressure Meter, Wind Pressure Meter, Micro Pressure Meter, Negative Ion Detector, Wind Speed Wind Direction Meter, Dust Meter, ku jɔl ya kä kɔ̈k peei ye kek ɣaac. Shanghai Jin Keo Electronics Co., Ltd. ye kɔc ye gam, ye kɔc ye gam, ye kɔc ye gam, ye kɔc ye gam, ye kɔc ye gam, ye kɔc ye gam, ye kɔc ye gam, ye kɔc ye gam, ye kɔc ye gam.