Zen Mark Building Material Co., Ltd. was established in 2022 and launched the BoldTech Fasteners brand in 2024. With over 5 years of market experience, we provide optimal solutions and high-quality products for Vietnam’s fastener industry. BoldTech applies international standards such as AS3566.1:2022, ASTM F606-21, and ASTM A370-21, while continuously improving production processes. We are committed to ensuring customer satisfaction through product quality and professional service.

Fastensers, screws