zhongshan road, Shijiazhuang, Hebei, China

We are a professional manufacturer of crystal oscillator and RF/microwave filter in China. *Crystal Oscillator: Used both SC cut and At cut crystal resonator , we can provide customers with high stabi...

Dear Sir or Madam, Nice to meet you! It's my great honour to have this opportunity to communicate with you, thanks for your company is named Tangshan Welkin Electronic Company Limited , It lo...