sponsorial

The space that residential building narrowed the mankind lives, make resist safety of chill, sponsorial body had reliable safeguard.

住宅建筑缩小了人类活空间，使抵御风寒、保证人身安全有了可靠保障。

Stem from the need of environmental protection, special attention introduces a few high-grade brand the cupreous ability that exceeds small lead content is made, sponsorial system is healthy.

出于环保需要，数高档品牌非常注重采用超低铅含量铜材制造，保证人体健康。