Sino-Expansion Co., Ltd is a leading, professional manufacturer of Non-explosive Soundless Cracking Agent in China. The company has been engaged in developing safe, economical, controllable, silent and highly expansive demolition agent CRACKAG with the latest non-explosive demolition technology which can be applied to concrete cutting, concrete demolition, rock breaking, granite and marble quarrying, mining and so on.

CRACKAG is an ideal alternative to explosives and other dangerous materials, and is an environmental friendly non-explosive demolition agent which is popular in the international quarrying and demolishing market. It can be used with no noise, no vibration, no ash, no toxic gas, no flying rocks and no shock wave. After repeated trial tests, the quality properties of CRACKAG, like performance ratio, consumption ratio, cracking efficiency and so on, prove to be remarkably good and some are even better than products from top international suppliers.

SEC products enjoy high reputation not only in domestic marble and granite quarrying, mining and concrete demolition market, but also in overseas markets like Canada, Ireland, Spain, Australia, India, Saudi Arabia, Brazil, Egypt etc.

Our principle is quality first and customers superior. We sincerely welcomes distributors at home and abroad to join us for mutual benefits.