Ma muli o ka nui lako tonage koi 'ia no ka hydraulic bulging kaʻina okāʻei kuhiliʻole, Hoʻohana nui ʻia ia no ka hana ʻana i ke kila kila me ka mānoanoa pā maʻamau ma lalo o dn400 ma Kina.

ʻO nā mea hana e pili ana i ke kila kalapona haʻahaʻa, haʻahaʻa haʻahaʻa haʻahaʻa a me ke kila kila me ka haʻahaʻa haʻahaʻa haʻahaʻa hana paʻakikī, me kekahi mau mea metala non-ferrous, e like me ke keleawe, aluminika, titanium, etc.

E like me ka hana maʻamau, hiki ke hoʻokaʻawale ʻia i ka maʻamau aupuni, ka uila uila, ka wai maʻamau, American Standard, German standard, Japanese standard, Russian standard, etc., penei: GB / t12459, GB / T13401, ASME B16 9, SH3408, SH3409,HG/T21635,DL/T 695,SY/T 0510,DIN 2615.