I ka makahiki 2008, ua hoʻokumu ʻia ʻo Tianjin Qiangli Pneumatic Tools Commerce & Trade Co., Ltd.
I ka makahiki 2016, ua hoʻonohonoho hou ʻia ʻo Tianjin Qiangli i Tianjin Longtop Mining Co., Ltd. Ma kahi pōʻai 10-makahiki, inā ʻo "Tianjin Qiangli" a i ʻole "Longtop Mining", ua kūpaʻa i ka hāʻawi ʻana i nā mea kūʻai aku o ka honua me ka maikaʻi o nā huahana mining mīkini. ʻo ia hoʻi, akā ʻaʻole i kaupalena ʻia, nā mea hana ʻeli pōhaku pneumatic i hana ʻia e ka hale hana ponoʻī.
I ka makahiki 2022, ua hoʻokumu mākou i kahi hui hou, ʻo Tianjin Rioto Machinery, ʻo ia ke kuleana nui no ka ʻoihana hoʻoiho o ka Tianjin Longtop Mining. E noho mau ana ʻo Tianjin Longtop Mining Co., Ltd a kuleana no nā ʻoihana ʻē aʻe o ka hui. Manaʻolana hiki i nā mea kūʻai a pau ke hoʻomaopopo a kākoʻo.
I nā makahiki he 14 i hala iho nei, ma o ka launa pū ʻana me nā ʻāina like ʻole a me nā wahi o nā ʻoihana mining, nā mea kūʻai aku i nā lako a me ka ʻike i hōʻiliʻili ʻia, hiki iā mākou ke hāʻawi i nā mea kūʻai aku i ka ʻoihana kūpono a me ka ʻike huahana; E like me nā pono like ʻole o nā mea kūʻai aku e hoʻolako i nā mea kūʻai aku me nā huahana kiʻekiʻe a me nā kumukūʻai kumukūʻai a me nā lawelawe.
ʻO nā huahana nui a me nā lawelawe hiki iā mākou ke hāʻawi i kā mākou mea kūʻai:
1.Mining mīkini wili a me nā mea kōkua a me nā mea hana
2. ʻO nā lako hoʻoheheʻe ʻana o kaʻu (Explosion-proof and non Explosion-proof)
3. ʻO kaʻu mau mea hoʻoheheʻe wai (nā paila i lalo, ka paila diaphragm)
4.Mine kukui (nā ʻano like ʻole o nā kukui koʻu)
5. ʻO nā lako lawe no ka mining (nā ʻano like ʻole o ka winch transport, scraper, dump truck, etc.)
6.Mine palekana huahana
Manaʻo mākou e hana pū me kā mākou mea kūʻai aku i nā makahiki he ʻumi e hiki mai ana e hoʻomau i ka hoʻokumu ʻana i ka waiwai nui no kā mākou mea kūʻai aku me kā mākou huahana a me nā lawelawe maikaʻi.