Shandong Chenxuan Valve Manufacturing CO., Ltd. espesialisado iti panagdisenio, panagdur-as ken panagpataud iti baro a kita a bukod a napataray a presion a mangregula a balbula ken nadumaduma a proseso a kontrol a balbula.
Tapno nasaysayaat ti siklo ti biag a panangtarawidwid ti regulator type fan coil electric valve product, delisting plano ti VC7931 series siam a modelo regulator type fan coil electric valve