To guarantee the rights of users and bring the pipe performance into full play, we provide consumers with services in selling as below:
a. Provide the technical documents such as industry standard of pipes and pipe fittings, code for construction and acceptance of pipe and other related technical documents.
b. Assist the user in pipeline survey, design and mapping.
c. Provide the technical support, technical consultation
d. Solve the technical problems related to the pipes in time.
a. Provide the technical documents such as welding procedure, installation procedure
b. Provide the special construction equipment to the end users.
c. Provide the technical training related to the pipeline installation and maintenance.
d. Offers technical instructions and assistance to carry out the construction of pipeline on site.
e. 亚洲色婷婷免费视频-欧美日本日韩aⅴ在线视频-可以直接看的国产va亚洲色婷婷免费视频-欧美日本日韩aⅴ在线视频-可以直接看的国产va,哥哥一边柔奶一边捅视频哥哥一边柔奶一边捅视频Pipe installation services.
a. Provide free maintenance service during the guarantee period.
b. Provide permanent maintenance service
c. Ensure that maintenance staffs arrive and deal with the pipeline leakage in the shortest time when it occurs.
d. The qualification rate of project delivery is 100%.