图中所注数字为相应国家专利号(包括已授权的及未授权的)。
在
所示国家，我们与合作伙伴共同开拓建筑桩基市场。 All the numbers marked in the picture
are patent numbers in those countlies.In the countries marked with ,we have parterners to develop our business
and co-operate inconstruction projects.
获美国、欧洲、中国的专利权证书
Certificates of
padtent granted by China,
U.S.A and European Community.
所示国家，我们与合作伙伴共同开拓建筑桩基市场。