Ningbo Songying Automobile Parts CO.,Ltd（NBSY） was established in 1992 and now the second generation is leading the company to be the first choice for OEM&OES in China. Songying is a professional manufacturer of auto air-conditioner thermostatic expansion valve (TXV) and has more than 10 years of experience designing and manufacturing TXV. Songying has been approved by ISO/TS16949 and ISO14001, always continuous improve quality management for supplying more than customers’expection.

Songying incorperated experienced engineering to manufacture TXV for A/C unit, develop new products based the same step with A/C system sucessfully for applying to many domestic and overseas OE project.

Our confidence is from the more than 10 years of expert experience, from customers' satisfaction, and from continuous improvement.

If you want to know us more, pls contact us for further details.