Our Products have been professional tested:

Established in 2003, there is a manufacturer and trader who specialized in the development and production of calcium carbide. We are located in China, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. We accept internationally professional testing((BV/SGS/CICC). If you are interested our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world.

Q1.Do you provide samples? 
A1. No,we don't provide samples. 

Q6: How can you guarantee the quality? 
A6: We will take a lot of sampling testing second time during carbide processing to ensure products with good gas yield. 
We often do air pressure testing to drums, ensure carbide drums seals tight and safety.
Different sizes stored separately to avoid size mixing.
We will take sampling test again before goods loading, ensures loaded goods with correct weight, sizes, gas yield and quantity.
Our carbide Production is based on Chinese National Standard: GB10665-2004.