Ma Liaocheng, nā huahana paipu kila i hana ʻia e kekahi mau mea hana:
1. Welded kila paipu: me ka pololei seam uila kū'ē welded kila paipu, spiral welded paipu, etc., hoʻohana nui 'ia ma ke kukulu ana, alahaka, wai conservancy, petrochemical, kinoea a me na mahinaai.
2. ʻO nā paipu kila pololei: e like me nā paipu kila liʻiliʻi i huki ʻia i ke anu, nā paipu kila maʻa anuanu, a me nā mea ʻē aʻe, i hoʻohana pinepine ʻia i nā kaʻa, kaʻa kaʻa, ka lawe ʻana, nā mīkini a me nā ʻoihana hana ʻē aʻe.
3. ʻO ka paipu kila transformer: hoʻohanaʻia no nā mea hoʻololi mana, nā laina laina mana, a pēlā aku.
4. Paipu kila wai wai: kūpono no ka lako wai o ke kūlanakauhale, ke kinoea, ka ʻoihana meaʻai a me nā māla ʻē aʻe.
5. ʻO ka paipu kila hydraulic cylinder: hoʻohana ʻia i nā ʻōnaehana hoʻoili hydraulic like ʻole, nā ʻōnaehana hoʻoili mechanical, etc. ʻO nā mea hana paipu kila ma Liaocheng me Wanhe, Liaocheng Taifeng Pipe Industry, Liaocheng Longtai Steel Pipe, etc. i ka maikaʻi a ua hoʻokipa maikaʻi ʻia e ka mākeke.