Quality is our passion

Our products and facilities are consistently monitored to ensure that you always received the highest quality.
measuring dimension

Attitude for “zero defects”

Our comprehensive ISO certified quality system controls every part from order entry, to final delivery at your dock. From raw material receiving, first piece, in-process, subcontractor services, final completion, to shipping. We inspect to the customer’s A.Q.L. level and/or perform statistical controls, as requested. Quality department maintains complete records of part quality and lot traceability to raw materials which available for customer evaluation.

Our focus on quality is embraced in all sectors of our company. We are constantly striving to achieve our ultimate goal of “zero defects”. We proactively investigate the root cause and immediately implement a corrective action. These preventative measures are then implemented, tracked and evaluated to verify their effectiveness. We continue to improve our quality system through constant evaluation, education and commitment. We continue to strive for our goal of “zero defects”.

Meet industrial quality standard

In order to guarantee smooth processes, we work continuously on improvements in our processes and seamless, complete documentation. With our quality management system, we ensure a consistent recording and monitoring of all areas from material purchasing to finished products.

Setup, In-Process and Final Inspection
First Article Inspection (FAI)
Statistical Process Control reports (SPC)
PPAP documents
Process studies & sampling techniques
Continuous improvement
Scheduled gauge calibration


Creation and approval of production drawing by our quality department together. Sampling process to approve mass production.


After first article approval, running mass production process and surface finish according to customer’s requirements.


An in-house dimensional inspection is carried out (in accordance with the AQL table). 100% visual check if necessary.


Provides COC, raw material certificate and a complete inspection report covering all the dimensions specified in the drawing.

Control at every stepQuality and service is our passion.

Our company is certified to ISO 9001:2015 standards. As such, we are continuously looking for ways to improve our products and processes. We’ve developed a comprehensive inspection and testing procedure to ensure each of our machined products meets customer specifications and standards. Some of the inspection and testing instruments we employ are:
Keyence image measuring system
Mitutoyo Coordinate Measuring Machines
Mitutoyo Optical Comparator
Rational Optical Measuring System
Rockwell Hardness Tester
Rockwell Superficial Hardness Tester
Vickers Hardness Tester
Surfcom Surface Roughness Tester
Universal Concentricity Gages
Micrometers & Calipers
Dial Indicator
Magnifiers & Microscopes
Pin & Plug Gages
Thread Plug & Ring Gages
3-Wire Thread Measuring System
Salt Spray Tester
Dimensional check by Keyence image measuring system | Boly Metal
You guys have been an EXCELLENT supplier !

I am very apprecative of all the support and hard work you guys do for us in providing excellent quality parts. Thank you all Boly team for all you do.”

Claudia Cassidy
Supply Chain Development Manager

Great support year!

“Thank you for offering our support with good quality and on time delivery, particularly in the difficult year 2020.

Yang Jiayu
Purchasing Manager