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What is HDD

Langfang Pangolin Drilling Tools Co., Ltd.
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What is HDD

HDD, also known as horizontal directional drilling, is a low-impact method that uses surface-based trenchless equipment to install pipes, cables, or conduits along slight curves or slopes. However, these two terms are different. Directional drilling refers to drilling a smaller diameter in a shorter distance, while a horizontal directional drilling or HDD means a larger diameter and a longer distance.
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