The reliability of welder training mainly depends on teachers' strength, teaching quality and students' own efforts. Formal and professional training institutions usually have rich welding practical experience and solid theoretical knowledge, and can provide systematic and comprehensive training services to help students master welding skills and improve their professional quality. In addition, the students' own learning attitude and efforts are also the key factors to determine the training effect.

When choosing a training institution, its reliability can be evaluated in the following aspects:

1. Understand the qualification and reputation of the organization. If you choose a formal and qualified training institution, you can know its credibility and word-of-mouth evaluation through online search and friend recommendation.

2. Investigate the teaching quality of colleges and universities. Evaluate the teaching quality of training institutions by listening to courses, checking courses, checking teachers' qualifications and checking students' evaluation.

3. Understand the internship opportunities of institutions. Welding skills need a lot of practice, and choosing a training institution that provides sufficient practice opportunities can improve the learning effect.

4. Understand the teaching equipment of the institution. Choosing a training institution with advanced welding equipment and tooling can provide a better practical teaching environment.

5. Confirm the employment security of the institution. Knowing whether training institutions provide employment security and employment rate can help students better understand the teaching quality and credibility of training institutions.

In a word, choosing a reliable welder training institution needs to consider many factors and make a comprehensive evaluation. It is recommended to know and compare in many aspects before choosing, and choose the training institution that suits you.