For mechanical door lock , obiara wɔ nsɛm soronko a ɛhaw adwene wɔ ho, na nea yɛyɛ ne sɛ yɛbɛma adetɔfo biara nneɛma a wɔhwehwɛ no ayɛ kɛse, enti yɛn mfiri a wɔde tow pon no mu su no yɛ nea adetɔfo pii agye atom yiye na wɔanya din pa wɔ aman pii so. Zhongshan Toptek Security Technology Co., Ltd Mechanical Door Lock wɔ su nhyehyɛe & mfaso a ɛyɛ adwuma & akansi bo, sɛ wopɛ nsɛm pii fa mfiri pon ano apon ho a , yɛsrɛ wo ntwentwɛn wo nan ase sɛ wobɛka yɛn ho.