Kedu uru ị nwere ike nweta?
1. Nweta onye na-ebubata ndị China tụkwasịrị obi.
2. Nye gị ọnụahịa ụlọ ọrụ mbụ kacha dabara adaba iji hụ na ọdịmma gị.
3. Ị ga-enweta nkọwa ọkachamara ma kwado gị ngwaahịa ma ọ bụ nkọwapụta kachasị mma maka ọrụ gị dabere na ahụmahụ anyị.
4. Ọ fọrọ nke nta ka ọ bụrụ izute mkpa ngwaahịa ntupu waya gị.
5. Ị nwere ike nweta ihe atụ nke ọtụtụ ngwaahịa anyị.

Isi ngwaahịa nke ụlọ ọrụ anyịbụ igwe anaghị agba nchara oke ntupu, square oghere ntupu, iche ntupu, crimped ntupu, welded waya ntupu, nwa waya ákwà, window ihuenyo, ọla kọpa ntupu, ebu eriri ntupu, gas-mmiri filter ntupu, guardrail ntupu , yinye njikọ nsu, barbed waya, ntupu ígwè gbasaa, ntupu ịkụ ọkpọ, ntupu ihuenyo na-ama jijiji na ntupu waya ndị ọzọ ọtụtụ ụdị, ọtụtụ puku nkọwa.

Na ezigbo aha, ezigbo mma na ọnụahịa ezi uche dị na ya, a na-ere ngwaahịa ụlọ ọrụ na mba niile, na-ebuga ya na Europe, America, Asia na Africa na ọtụtụ mba ndị ọzọ na mpaghara Hong Kong, Macao na Taiwan.