Stephen Huang

Stephen Huang

Founder of NEWTOP

I am the Chairman of Shanghai Newtop Machinery Co., Ltd. and Zhejiang Surtec Machinery Co., Ltd. A postgraduate of Beijing Institute of Technology, I founded Shanghai Newtop in 2003 and have since led its growth from foreign trade into industrial manufacturing. Over the years, I have also contributed to the development of China’s market for chainsaw chains, guide bars, complete machines, and other outdoor power equipment, along with related parts and accessories. Dans 2026, I once again took the helm of NEWTOP, opening a new chapter in the company’s development.

We are now actively seeking distributors and partners in key markets. If you are looking to grow your business with a dependable manufacturer, we welcome you to join the NEWTOP network and build success together.

a close up of electric chainsaw guide bar

How to Measure a Chainsaw Bar Length: A Step-by-Step Guide

Knowing how to measure a chainsaw bar correctly is a critical safety protocol that prevents dangerous kickback events and catastrophic equipment failure. A simple sizing error, often caused by measuring the entire physical bar from tip to tip, leads directly to ordering incompatible replacement parts. This mismatch not only causes poor cutting performance but also places excessive strain on the saw’s engine, resulting in accelerated wear and costly operational downtime. Dans ce guide complet, we’ll walk you through the exact professional method used by service technicians and forestry equipment suppliers. You’ll also learn how to match bar length with engine ...

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Haut 10 Fabricants de pulvérisateurs à dos

Haut 10 Fabricants de pulvérisateurs à dos en 2026

Choosing the right backpack sprayer manufacturer can make or break your spraying program. Whether you manage orchards, cultures en rangs, serres, or public health projects, you need reliable equipment that delivers consistent coverage, withstands harsh chemicals, and is comfortable for operators to use day after day. Dans ce guide, we’ve shortlisted ten leading backpack sprayer manufacturers across Europe, the Americas, Afrique, and Asia, so you can quickly compare their locations, product ranges, and MOQs and then decide which partner best matches your technical requirements and market positioning. Quick Overview of the 10 Backpack Sprayer Manufacturers Manufacturer Region MOQ Main Products NEWTOP ...

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best electric chainsaws

Comment choisir la tronçonneuse adaptée à vos besoins

Choosing the best electric chainsaw today is rarely straightforward. Compared with a decade ago, buyers now face far more options, and the old assumption that gasoline chainsaws are always the “professional choice” no longer reflects reality. Electric technology has progressed quickly, changing how many users approach everyday cutting work. In real-world use, the best electric chainsaw often delivers enough power, confort, and reliability for most routine tasks. Cependant, the right choice still depends on how the tool fits into daily work rather than on headline specifications. This is where many purchasing decisions quietly go wrong. From years of cooperation with ...

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Piston de pulvérisateur à dos vs pompe à membrane

Piston de pulvérisateur à dos vs. Pompe à membrane: Quel système gagne?

Choosing the right backpack sprayer piston vs diaphragm pump is a critical decision that directly impacts operational uptime, chemical costs, and worker safety. A mismatch between the pump mechanism and the chemical agent leads to premature seal failure, inconsistent application pressure, and unscheduled downtime, turning a routine task into a costly operational risk. This guide provides a clear technical comparison of both pump systems. We will analyze the core mechanics of piston and diaphragm designs, evaluate their performance against critical metrics like pressure output and chemical compatibility, and outline the maintenance demands for each. Use this breakdown to standardize your ...

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travailleur brumisateur de légumes

Différence entre brumisateur et pulvérisateur: Un guide de comparaison technique

Dans le monde de l'agriculture et du paysage professionnel, les termes brumisateur et pulvérisateur sont souvent utilisés de manière interchangeable, pourtant ils représentent deux technologies fondamentalement différentes. Il est essentiel pour les distributeurs, entrepreneurs, et les importateurs de matériel agricole pour comprendre la structure mécanique, physique des particules, et l'efficacité des applications de chacun. Ce guide fournit une ventilation technique complète des brumisateurs et des pulvérisateurs, vous aidant à déterminer quel outil est le mieux adapté à vos besoins environnementaux et opérationnels spécifiques. Qu'est-ce qu'un brumisateur? Definition and Working Principle A fogger is designed to transform liquid formulations into ultra-fine droplets that behave more like an aerosol than a traditional ...

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Travailleur avec pulvérisateur à dos Newtop dans un verger

Mosquito Fogger vs. Pulvérisateur: Quel est le meilleur pour la lutte antiparasitaire?

Mosquito control is a serious concern for farms, vergers, public spaces, and residential areas in tropical and subtropical regions. In Africa, Asie du Sud-Est, and Latin America, mosquito management is not only about comfort but also about protecting public health and agricultural productivity. When choosing agricultural machines, buyers often compare two main solutions: mosquito foggers and sprayers. Both are widely used in agricultural pest control, vector control programs, and backyard mosquito treatment. Cependant, they operate differently and serve different purposes. Dans ce guide, we break down the key differences, performance factors, operational costs, and environmental impact to help distributors, importers, et ...

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