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About PETRAM OPTICS

We are professional in doing toy guns and crafts for 7 years.

Shenzhen Donghan System Technology Co., Ltd.

Established in 2008, coretekelec has become a leader in Computer Hardware & Electronic Components distribution with global print. We have three synchronized activities focused on transparency, quality and traceability, making us one of the first ever HYBRID distributor in the Industry:

Shenzhen Neofibo Technology Limited was founded in 2008, and is located in Shenzhen, China. Neofibo's aim is to make our customers' optical fiber connectivity more reliable. We are a professional supplier for optical fiber products, aiming at making customers' optical fiber connectivity more reliable. We can not only provide various optical fiber polishing machines, but also design and manufacture optical fiber polishing fixtures with different structures.

Semilotec Co., Limited is focusing on electronic components sourcing and offering competitive pricing on in stock components, as well as BOM fulfillment. Especially for automotive IC and medical IC. Semilotec focuses on building long-tem relationships with their customers and strives to maintain their leading position in the industry. They offer diversified products with better quality, higher technology, and shorter delivery time. Semilotec believes in business sustainability and humanistic care, valuing their staff and their needs. They priorituze creativity, quality, and management through a process approach, creating a positive working environment.

Our company supplies different kinds of products. High quality and favoroble price. We're pleased to get your Inquiry and we will come back to as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.

Shanghai Gather Power Industry Co., Ltd was established in 2003 in Fengxian District, Shanghai, China, has two Joint-stock manufacturing factory. GP currently have more than 350 staffs, among whom 40% are university staff, including 60 engineers and technical researchers. Most of the 32 technicians have many years experience in forklift manufacturing industry, with rich experience and comprehensive technology, they served as a Chief Engineer or Assistant Chief Engineer in well-known forklift manufacturing enterprises.

Desan Electric Ltd is established in the Marketing Department of the original FOCUS Machinery INC which is a high tech enterprise, which gather research and development, manufacture and sale, majoring in the line of automatic welding equipment, cutting equipment, milling equipment, Robot control equipment.

Charmo Window Innovations Manufacturing Co., Ltd. ("Charmo"), founded in 2006 in Chongqing's Banan District, relocated to a 20, 000 sqm modern facility in Bishan's Qinggang Industrial Park in 2020 (with 10, 000 sqm dedicated processing space). As an integrated supply chain service provider, we combine R&D, engineering design, manufacturing, installation, and consulting to deliver comprehensive solutions.

Lumei Construction Material Co., Ltd., is a professional manufacturer of UPVC profiles, windows and door system since 1995. We are a member of China Construction Metal Structure Association, products haav won the honorary titles of National Eco-friendly Building Material Products and Top-Famous Brand Products of Shandong Province.

Shanghai Vmax Machinery Technology Co., Ltd. Was registered in 2000, in Hong Kong, China. It mainly produces and sells three product groups: 1T-45T forklift, 1T-2.5T electric stackers and electric pallet trucks, aerial work platform, container cranes and other logistics equipment; As well as 1T-5T wheel and skid steer loader products; 40HP-100HP wheeled tractor series.

Liaocheng Queen Trade Industrial Corporation Limited, established in July 2013 and locate in chiping district of Liaocheng city, Shandong province, China. Near The beautiful Dongcang Lake. And at the present time, we have a total of about 100 employees which include various professional service staff and technicians.

China Chengyu Group Company, a respected cornerstone of the global textile supply chain, was formally founded in 1997 in Wenzhou-a city widely celebrated as the vibrant heart of China's textile industry, boasting a century-old heritage of meticulous craftsmanship and a dynamic, interconnected ecosystem of manufacturing innovation. Rooted deeply in this fertile industrial soil, our company has evolved dramatically over the past two and a half decades, transitioning from a modest regional enterprise serving local clients to an internationally recognized leader in the textile sector, guided unwaveringly by three non-negotiable core principles: Uncompromising good faith, sustainable low-profit operations, and customer-centric best service. These principles are far more than mere marketing slogans displayed on office walls; They are the moral compass that shapes every strategic decision and daily operation-from the rigorous selection of raw materials to the attentive follow-up of after-sales support-and the unshakable foundation upon which we have built enduring trust with partners across the globe.

Shandong Rosenwell petroleum technology Co., Ltd (hereinafter as Rosenwell company) is located in Dongying City, Shengli Oilfield(Belongs to Sinopec), which is the second largest oilfield and the largest petroleum industry base in China. Rosenwell company is a professional company engaged in petroleum equipment and spare parts, which is a reputable manufacturer and solution provider to oil gas drilling industry. We are focused on consumable parts, aiming for increasing parts life span, reduced operational cost, shorter downtime. Based on our domestic business with Shengli oilfield and professional engineering&commercial team, Rosenwell had built up a solid network and same-boat partnership with worldwide clients. Key advantage: OEM quality, 100% interchangeable. Competitive prices, In-time delivery, after-sales warranty service. The major scope of our products is, Top Drive System Spares, Mud pumps & spares, handling tools, BOP and BOP spares of RAM, Seals, etc We sincerely look forward to the chances of serving esteemed customers from all over the world and win-win business in the long run.

SHANDONG VSP PETROLEUM TECHNOLOGY Co., Ltd. - Global Top Drive Solutions Provider

SI&PPB bearing is an enterprise focusing on producing high-quality, high-reliability industrial bearings, automotive bearings, and accessories with quality services. The company not only provides customers with customized products and customized solutions on the basis of drawings and samples but also provides one-stop, comprehensive, personalized, and fragmented solutions and services.

Beijing North Tech Group Ltd, located at capital city Beijing, have been constantly adapting, evolving, and growing to meet the changing needs of the architectural buildings. With over 20 years of experience, our group, which includes Beijing North Tech Glass Co., Ltd and Beijing North Tech Windows Co., Ltd, continues to successfully build our clients' vision with passion for both home and oversea projects.

DRC Machinery is a group company, which is professional in products and sales of advanced CNC machine tools. Acting full operation of the six machine tool production company's overseas sales.

Elite was founded in 2013, we have an experienced management team consisting of professional technical experts. Based on advanced techniques on mold and powerful manufacturing engineering capacity. We can serve clients with one station for each project of part R&D, rapid prototyping, CNC machining, mould, to volume production for custom plastic or metal parts and manufacturing, assembly, testing, and packaging up to delivery.

Guangzhou Kingmetal Steel Industry Co., Ltd., is an Industry Group Company. It is a professional company in designing, producing and selling steel pipe, pipefittings and prefabricated house. We have our own big factories with modern machine line to make high quality products, which is mainly to be exported to oversea markets.

Founded in 2009 in WenZhou China, WENZHOU NAQIN AUTO PARTS Co., Ltd began with the goal of bringing the benefits of the best quality products at best possible price to users everywhere. NAQIN people believed, as we do today, that better auto parts make driving more enjoyable and safer for any vehicles.

Wayne (Hangzhou) Building Materials Co., Ltd. is located in Hangzhou City, near Shanghai, China.

Shenzhen Xingchen Technology Co Limited focus on the digital inkjet printers and consumables, like print head, printing ink and spare parts for more than 15 years.

Dongguan Merry Electronic Co., Ltd was established in year of 2013, mainly engaged in design, development and sales semiconductors, main product line is Mosfet, Diodes, Schottky, Bridge Rectifiers, SIC, Power IC etc, which are all complied with RoHS and REACH standard. The factory has passed ISO9001, ISO14001, IATF16949 qualification. Our management team have over 20 years experience in this field which can meet your multifarious demands, we provide best quality products according to its superior R&D team, automatic production and strictly quality control system. In addition, based on complete product combination, Merry Electronic fully offer total solutions to our customers. We also offer OEM, ODM, and OBM service to many well-know companies around the world.

We Shandong Sary Brilliance Auto Parts Co., Ltd., set up in 2008, manufacture and sell complete quality car parts. Our products are mainly door lock assembly, lift assembly, car mirror, outside handle, radiator, condenser, electronic fan, headlight, tail light, bonnet and fender etc, which now account for 90% of China's market. Among them, the mirrors and related spare parts are independently developed by our factory and we account for 100% of the Chinese market share.

SEAL Intelligent Technology (Shanghai) Co., Ltd. Was founded in September 2022 and is located in Kaifu Industrial Park, Songjiang District, Shanghai. We specialize in industrial robots and spare parts.

Nanjing Routeway Auto Parts Co., Ltd. is a high-tech enterprise specializing in the R&D, production, and export of automotive wheels. Through over a decade of rapid development, we have emerged as a leading company in China's automotive wheel export sector. Our products are now distributed to more than 60 countries and regions worldwide, including Europe, North America, Southeast Asia, the Middle East, and Africa, earning high regard and trust from our international clientele. We specialize in OEM, ODM, and global brand customization services for automotive wheels. Our main products include:

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

CHANGZHOU INDROID AUTOPARTS Co., Ltd WASESTABLISHED IN 2010AND LOCATED IN MENGHE TOWN, XINBEIDISTRICT. CHANGZHOUCITY.