- Physical and chemical test service- Shijiazhuang Rainbowlabs technology CO., Ltd complies ISO17025 international lab quality and technology .and approved by FDA and Health Canada ,We can provide efficient ,scientific test data . 
   
 
	Shijiazhuang Rainbowlabs technology CO., Ltd complies ISO17025 international lab quality and technology .and approved by FDA and Health Canada ,We can provide efficient ,scientific test data .
	
