Beijing Kechuang New Vacuum Technology Co., Ltd. (cɔl: Kechuang Vacuum) ee akutnhom ye luui në luɔɔi, luɔɔi, ku luɔɔi de teknoloji de vacuum. Kompanyi ee luui në vacuum helium leakage equipment, non-standard vacuum system design and development. Kɔɔr tɛ̈n yen looi, a tɛ̈n tɔ̈ɔ̈u "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 ye kɔc ye kɔc ye kɔc ye k Kochang vacuum main products: vacuum box type filled helium leakage recovery system, filled helium recovery system, (super) high vacuum non-standard system, helium mass spectrometer leakage detector, vacuum standard products etc. Kä ye kek looi aye looi në ɣän juëc cï kek looi yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic yiic Kɔmpaniɛ ye tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ Ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen ka tɛmɛ yen. Ka tïŋ bɛɛ̈ɛ̈ɛ̈r, Ke Changding Xin bɛ̈n tɔ̈ɔ̈u "ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan