Lishenflex joalo ka moetsi li-slings tsa maiketsetso tsa maiketsetso naheng ea China, le morekisi oa li-slings tsohle tsa maiketsetso li fetisitse litekanyetso tsa setifikeiti tsa indasteri ea machabeng, mme o ka netefatsoa ka botlalo ka boleng. Haeba u sa fumane li-slings tsa hau tsa Intent synthetic lifting lethathamong la rona la lihlahisoa, u ka ikopanya le rona, re ka fana ka lits'ebeletso tse ikhethileng.