Hoyin Kwok - Email & Phone Number

Senior Quality Engineer / Metallurgist at Sierra Alloys Co., Inc.

Hoyin Kwok is based out of San Gabriel, California, United States and works at Sierra Alloys Co., Inc. as Senior Quality Engineer / Metallurgist.

Hoyin Kwok's Contact Information

Hoyin Kwok's Work email

h*****@tsitit***.com

Valid

Latest update

October 30, 2025

Location

San Gabriel, California, United States

Hoyin's current employer

Sierra Alloys Co., Inc.

Description

Website

sierraalloys.com

HQ Location

Irwindale, CA, United States

Number of employees

11-50

Industry

Primary Metal Manufacturing

Latest update

May 1, 2024

Read about Sierra Alloys Co., Inc.

Frequent questions about Hoyin Kwok

What company is Hoyin Kwok working for?

Hoyin Kwok works for Sierra Alloys Co., Inc..

What is Hoyin Kwok's function at Sierra Alloys Co., Inc.?

Hoyin Kwok is Senior Quality Engineer / Metallurgist at Sierra Alloys Co., Inc..

Where is Hoyin Kwok based?

Hoyin Kwok is based out of San Gabriel, California, United States.

What is Hoyin Kwok's work email address?

Hoyin Kwok's professional email address is h*****@tsitit***.com

Who are Hoyin Kwok's co-workers?

Hoyin Kwok's colleagues are Vicky McGee, Scott Brennan, Ruben Cuellar, Luqman Malik, Carlos Arteaga, Amritpal Kaur, Bilal Zaheen, Rosana Wallace, Omar Franco, Jose Rubalcaba.

Hoyin's co-workers

Vicky McGee

Vice President, Admin & HR

Scott Brennan

Director of Business Development / International Sales

Ruben Cuellar

Maintenance Manager

Luqman Malik

Shipping Receiving Manager

Quality Assurance Manager

Rosana Wallace

Human Resources Manager

Omar Franco

Production Engineering Supervisor

Jose Rubalcaba

Controller

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