Is Wang Yuhai Law Firm related to Qian 'an Xinda?

It's okay.

Wang Yuhai Law Firm is a lawyer's practice organization, licensed by the judicial administrative department, and issued a law firm practice license.

Law firms do not need industrial and commercial registration, do not carry out civil registration, and do not participate in the registration of the preparatory department. Lawyers have the right to defend themselves independently, to consult, extract and copy the litigation documents and other materials in this case, to apply for the collection and collection of evidence, to meet and communicate with criminal suspects, and so on.

Lawyers' obligations include keeping the legal secrets of the parties, and may not act as agents for both parties at the same time.

According to Article 165 of the Civil Law of People's Republic of China (PRC), if the power of attorney is in written form, the name, agency matters, authority and time limit of the agent shall be specified, and the client shall sign or seal it.